Questions in mathematics

Questions in mathematics

[Done] What does a circle graph show that a bar graph does not?

[Done] A solid metal sphere of radius 32 cm is melted down and recast to make 64 identical small spheres. What will be the radius of each small sphere?

[Done] Allison has 5 times as many baseball cards as football cards. In total, she has 120 baseball and football cards. How many baseball cards does Allison have?

[Done] A pumpkin pie costs $12.55 at a bakery. If the pie has a diameter of 12 inches, what is the cost per square inch of the pie?

[Done] The sales tax is 6%, and the item is $110.00. How much do I add for sales tax?

[Done] 76 is 2% of what number?

[Done] There are 77 students in the student council. The ratio of girls to boys is 7:4. How many girls are in the student council?

[Done] A moving company had one-seventh of a ton of weight to move across town. If they wanted to split it equally among 8 trips, how much weight would they have on each trip?

[Done] Kristine bought a vase that cost $5.99 and roses that cost $1.25 each. The total cost was $20.99. Write and solve the equation to find how many roses Kristine bought.

[Done] A bag contains 10 marbles: 3 are green, 5 are red, and 2 are blue. Josh chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that the first marble is red and the second is blue? Write your answer as a fraction in simplest form.