Simplify the expression below. (-3x2 + 2x - 4) + (4x2 + 5x + 9)

Kim works as a server in a restaurant. She is serving the table where a group of her friends are eating. Her friends always tip 15%. If the cost of the meal is $23.60, how much of a tip will Kim earn? A.$2.36 B.$3.54 C.$4.72 D.$27.14

1/4 + 2/5 simplest form

Martha wants to make four necklaces that are the same length. She asked her friends to cut the string for the necklaces 15 paper clips long. Would all the lengths be the same? Explain your answer.

The perimeter of a triangle is 38 ft. One side is 14 ft long. Another side is 9 ft long. How long is the third side?

Write the expanded form of this number: 46.324 A 40 + 6 + 0.3 + 0.2 + 0.4 B 40 + 6 + 0.3 + 0.02 + 0.004 C 40 + 6 decimal 3 + 2 + 4 D 40 + 6 + 0.003 + 0.02 + 0.4

5 (*+y+4) is equivalent to what

Solving a system of equation x+5y=15 -3x+2y=6

What bigger meter or yad

Find sinx2, cosx2, and tanx2 from the given information. sin (x) = 513, 0° < x < 90°

A circle has a diameter of 12 in. What is the best approximation of its area? Use 3.14 to approximate for π. 18.84 in² 39.14 in² 113.04 in² 452.16 in²