7 out of every 8 children surveyed owns a bike. The difference between the number of students who owns a bike and those who do not is 72. How many students were surveyed

Find the measure of the missing sides in each special right triangle. Leave answer in simplest radical form. Question 20 options: X = 8 Y = 7 X = 10 Y = 7√2 X = 8√2 Y = 7√3 X = 8√3 Y = 14√2

g The parents of three children, ages 1, 3, and 6, wish to set up a trust fund that will pay X to each child upon attainment of age 18, and Y to each child upon attainment of age 21. They will establish the trust fund with a single investment of Z.

1) If the coefficient of anyone of the variables is zero, what will be the nature if the equation? 2) What is a solution of a system of equations?

Ling is using fraction strips to add 2/3 and 7/12's The sum is one whole Plus how many twelves?

X2 - 4x + y2 + 8y = - 4

Enter each data set into the statistics calculator. Make note of the histogram, mean, and median of each data set.

Additional Proofs: Prove each statement below using Proof by Contradiction. 1. The sum of any rational number and any irrational number is irrational. S 2. For all integers m, if m is even, then 3m+7 is odd I integer, then, 2a + 3b is even 3.

A $60.00 pair of shows is discounted 25% and then marked up 25%

Your class is setting up 360 dominoes for an experiment. Your teacher asks you to set them up into 30 equal rows. Which equation can be used to find the number of dominoes, d, in each row? need equation

What is the value of 2x^-2y^-2 for x = 3 and y = 2? a) 1/18 b) 72 c) 2 (-6) ^-4 d) 1/648