63 is 21 percent of what number

16 9/10 + 13 7/25= I'm confused on this

Find two polynomial that have a sum of 4

What values of a, b, and c would you use in the quadratic formula for the following equation? 5x + 9x=4 A. a=-4, b = 9, c = 5 B. a = 5, 6 = 9, 0 = - 4 C. a = 5, b = - 4, 0 = 9 D. a = 5, b = 9, 0 = 4

The perimeter of a rectangle is 64 feet. If the width is 4 feet what is the length?

It is a hot day at the beach. Ice water costs $1 per bottle and this is your only option. Your marginal benefit for water follows the equation MB = $10 - $x. x is represents the number of bottles of ice water you have had.

Which division problem is equivalent to 2/5a. 5. divide 5 by 2c. cut 5 equal sections from a 2 foot long ribbond. split 5 cups of yogurt into 2 equal servings?

Translate into an equation and solve. what percent of 64 is 16? (do not round until the final answer. then round to two decimal places as needed.)

p: If every fourth card drawn is a spade, then 25% of the cards in a deck would be spades. If 25% of the cards in a deck are spades, then every fourth card drawn would be a spade.

An albatross is a large bird that can fly 400 kilometers in 8 hours at a constant speed. Using d for distance in kilometers and t for number of hours, an equation that represents this situation is d=50t.

Write a numerical expression for each verbal phrase. 1. The quotient of eight and two Translate each phrase into a algebraic expression. 2. Four inches less than kimi