How do you simplify (23x - 15y) + (4x + 45y)

Add 5 over 3 + 2 over 4 =

Consider the following data set: 3.3, 9.3, 4.6, 2.5, 10, 8, 7.6 Work out the IQR:

21 is 12% of what number?

Mike has to choose betweeb two jobs. A job as a driver will pay him an initial weekly payment of $500 plus $10 per hour worked. A job as a landscaper will pay him an initial $300 plus $15 per hour worked.

Which division fact corresponds to the problem of 8*9 equals 72

A locker combination has two nonzero digits, and digits can be used twice. The first number is 8. What is the probability that the second number is 8? A. 1/9 B. 1/8 C. 7/8 D. 8/9

What is 5263 * 10^-3? A. 5.263 B. 52.63 C. 526.3 D. 526,300

Which is bigger 12cm or 98mm

Josefina surveyed 298 students and found that 52% like scary movies. estimate the number of students that like scary movies.

Mean and median of 47,49,54,50,48,47,55