4. Which of the following is NOT one of the three ways to express a ratio? a. b. 3:4 c. 3 of 4 d. 3 to 4 5.

What is the answer to x-6x+2z=-16

The sum of two numbers is 49 the smaller number is 21 less than the larger number what are the numbers

Subtract. Reduce to lowest terms. 10 1/4 - 9 5/6

A triangle has sides of lengths 9, 7, and 12. Is it a right triangle? Explain.

every month, omar buys pizzas to serve at a party for his friends. In may, he brought three more than twice the number of pizzas he bought in April. If Omar bought 15 pizzas in may, how many pizzas did he buy in April

Give an example of a matrix which is its own inverse (that is, where A^-1 = A)

Which polynomial identity will prove that 64+27=91

In a certain elementary school, 52% of the students are girls. A sample of 65 students is drawn. Would it be unusual for more than 70% of them to be girls? Clearly explain your reason. (Note that your random variable is the sample proportion).

Colleen says she is thinking of a 4 digit number in which all the digits are the same the value of the digit in the hundreds place 200 describe the relationship between the values of the digits in the number

You have $37 when you get to the mall. You need to save $3 for bus fare to get back home. Which inequality represents the amount of money, m, you can spend? A. 37 - m > 3 B. 3 < m + 37 C. 37 - m ≥ 3 D. m ≤ 37 + 3