Which equation has infinitely many solutions? A. -9x- 9(-x- 10) = 90
B.7(-x + 4) = 90- 7x
C.-7(-x + 4) = 90- 7x
D.-2x- 7(-x + 4) = 90

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers