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Questions in mathematics

[Done] Find the sum of 130 cm and 50 mm in meters.

[Done] Josh believes the Spanish club students at his school have an unfair advantage in being assigned to the Spanish class they request. He surveyed 500 students at his school with the following questions: "Are you in the Spanish club?" and "Did you get the Spanish class you requested?" The results are shown in the table below. | | Spanish Club | Not in Spanish Club | Total | |-----------------------------|--------------|---------------------|-------| | Received Spanish class requested | 265 | 100 | 365 | | Did not get Spanish class requested | 70 | 65 | 135 | | Total | 335 | 165 | 500 | Help Josh determine if all students at his school have an equal opportunity to get the Spanish class they requested. Show your work and explain your process for determining the fairness of the class assignment process.

[Done] Twenty stamps cost $8.40. How much does it cost to buy 5 stamps? A. $2.10 B. $11.90 C. $4.20 D. $42.00

[Done] What is [tex] \frac{7}{8} \times c[/tex] for [tex] c = 8[/tex]?

[Done] Factor \( m^2 + 16m + 64 \).

[Done] The volume of a cube is 512 cm\(^3\). What would change if the volume of the cube were measured in cubic meters?

[Done] The odometer in Mr. Washington's car does not work correctly. The odometer recorded 13.2 miles for his last trip to the hardware store, but he knows the distance traveled is 15 miles. What is the percent error?

[Done] What is the shortest distance from a point to a line? A) a perpendicular segment B) a transversal C) a parallel segment D) an arc

[Done] 4. Classify the triangle by its sides. The lengths of the sides are 9, 9, and 9. A) equilateral B) scalene C) obtuse D) isosceles 7. Line a is parallel to line b and m.(Angle 7 ) = 135 Find m(angle 4) A) 135 B) 145 C) 45 D) 35 8. Find the values of x and y for which the lines are parallel. A) x = 68, y = 72 B) x = 46, y = 72 C) x = 68, y = 74 D) x = 72, y = 68 11. Look at the figure. If Angle 1 Is Congruent To angle 2 , describe the relationship between lines a and b. A) The lines are perpendicular. B) The lines are parallel. C) The lines intersect. D) The lines are transversals. 12. Find the value of x for which the lines are parallel. A) 63 B) 71 C) 64 D) 72

[Done] Which is longer: 180 seconds or 3 minutes?