A students cost for last semester was 2000 dollars. She spent 200 dollars of it on that on the books. What percent of college cost was spent on books

What do the unknown factor and quotient represent?

Zhang Li solves the equation below by first squaring both sides of the equation. - 4=/sqrt{5z+7}-4 = 5z+7 minus, 4, equals, square root of, 5, z, plus, 7, end square root What extraneous solution does Zhang Li obtain?

12 tens + 9 tenths = _ tens = _ one (s) = _ tenth (s)

Nicole has 15 nickels and dimes. If the value of her coins is 1.20, how many of each coin does she have?

George stacked 9 pieces of wood on top of one another. If each piece was 2/4 of a food tall, how tall was his pile?

Simplify: - √5+√10+√28+√64

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 24 g to 32 g

Assume that women's heights are normally distributed with a mean given by, and a standard deviation given by. μ = 63.5 in σ = 2.8 in (a) if 1 woman is randomly selected, find the probability that her height is less than 64 in.

What is the center of the circle with equation (x-3) ^2 + (y+7) ^2 = 100

Which of the following could be the ratio of the longer leg of 30-60-90 triangle of to the length of its hypotenuse? A) 1:√ 3 B) 3√ 3 : 6 C) √ 3 : √ 3 D) √ 2 : √ 3 E) 3 : 2√ 3 F) √ 3: 2