Leala took five tests in science. Find her average score to the nearest tenth:

78, 92, 94, 97.5, and 83

What is the product? 5• [2 3 4] [ 9 - 1 - 7] [ 11 5 - 3]

Use the rules of significant figures to simplify the following expression 67.31-8.6 + 212.198

If AB = CD, then CD = AB

Which expression is equivalent to 18x^2-50

What is the expanded form for 373,698

mrs. Walker increase the amount of fruit she eats everyday from 25 to 30 by what percentage did mrs. Walker increase the amount of fruit she eats

Jose worked n hours at $8.75 per hour. He made a total of $61.25. Write an expression that represents the total number of hours Jose worked

Which of the following is the correct translation for the expression x - 6? a number subtracted from 6 a negative number added to 6 the product of a number and - 6 the difference between a number and 6

F (x) = 4x2 - 24x + 20?

My question: Tia's car needs repairs. Honest Harry will charge $70 per hour plus $130 for the part. Lucky Lou will charge $80 per hour plus $40 for the part. How long is the job if the two costs are the same?