Which values of a and b make the following equation true? (5x^7y^2) (-4x^4y^5) = - 20x^ay^b

What is 8 (12-1/4x) >82

What is the are of a 15m circle?

A new outdoor rec center is being built in hardford. The perimeter of the rectangular playing field is 258 yards. the length of the field is 9 yards less than double the width. Whatre the dimensions of the playing field?

There are 4 standard U. S. coins. If a person has one of each. How many different amounts of money can the person give someone using 3 coins? (e. g. 1¢ + 5¢ + 25¢ = 31¢ OR 5¢ + 10¢ + 25¢ = 40¢)

Which student wrote an equation with a solution of x = - 8 Jenna: - 3 (x - 9) = - 3 Archer: 4 (2x - 16) = 16 both neither jenna archer

Yolanda wants to complete the 50-mile biathlon in 5 hours. she gets her jogging rate up 6 miles/hour and her biking rate up to 12 miles/hour. she finishes the race in 5 hours.

2x - y = 6 5x + 10y = - 10

Describe three different ways animals get food

Yochanan walked from home to the bus stop at an average speed of 5 km/h. he immediately got on his bus and traveled at an average speed of 60 km/h until he got to school.

1. 1/6 as a decimal and percent 2. x - 3 ≥ - 1 3. 2x plus 3< 1 4. 3x plus 3 - x - 3