Why is it important to convert rates to the same units before comparing them

Write an expression with the five terms containing the coefficients 12 15 18 and 21

Samuel and Jason spend 3/4 of their combined earnings from Wednesday to buy a gift. How much do they spend? Is there enough left over from Wednesday's earnings to buy a card that costs $3.25? Explain. Earnings: Samuel - (12.5*0.40) Jason - (7.1*0.

Ethan is 11 inches shorter than 3 times his little sister Sheila's height. If Ethan is 79 inches tall, how tall is Sheila?

What is the area of the circle? d = 8 m 6471 m2 50.24 m2 100.48 m2

Two cats are mated. One of the parent cats is long haired (recessive allele). The litter which results contains two short haired and three long haired kittens. What does the second parent look like and what is its genotype?

two different subtraction problems that use only odd numbers for numerators and each have different of 3/4.

2x + 3y = - 14 y = 6x + 22

3$ is what percent of $12

If f (x) = x + 1/x, find f (1+3i)

The area of the small triangle is 10.5 meters squared and the area of the larger triangle is 94.5 meters squared. if the altitude of the large triangle is 9, what is the altitude of the smaller triangle