What is thr solution to the system of equations? 2x-y=7 y=2x+3

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