Questions in mathematics

Questions in mathematics

[Done] Solve and graph the absolute value inequality: \[ |2x + 4| > 14 \]

[Done] The school is able to buy a dozen roses for $9.36. The roses will be sold with a 150% markup. For what price will the school sell 1 dozen roses?

[Done] A pizza is divided into 12 equal slices. - 4 slices have mushrooms only. - 2 slices have mushrooms and pepperoni. - 6 slices have pepperoni only. Write two equivalent fractions to describe the parts of the pizza with: Mushrooms only: and Pepperoni only: and Mushrooms and pepperoni: and

[Done] Simplify: \[2 \sqrt{5} + 3 \sqrt{8}\] What does it equal?

[Done] Carla has two lengths of ribbon. One ribbon is 2 feet long, and the other ribbon is 30 inches long. Which length of ribbon is longer? Explain.

[Done] If \((x - 2)^2 = 49\), then x could be?

[Done] What is the solution of the equation? Eliminate any extraneous solutions. \(\sqrt{3x+28} - 8 = x\) A. 9 and -4 B. -9 C. -9 and -4 D. -4

[Done] I have 18 ones, 15 hundreds, 15 tens, and 8 thousands. What number am I?

[Done] Let \( n = 2.5 \). What is the value of \( 2n(6n - 3) + 4n \)?

[Done] Find the value of x for each of the following equations: 1. \(3x - 20 = 130\) 2. \(8x - 2 = -9 + 7x\) 3. \(x + 6 = 33\)