If $420 yields $31 in simple interest over 30 months what is the annual rate

There are 5 red pens, 3 blue pens and 2 green pens in a box. Ziyad takes at random a pen from the box and gives the pen to his friend, Tamer. Ziyad then randomly takes another pen from the box.

4 (1-3n) - 14>4 (2n 3) - 9n

What is 5n^2 (c-3) - n (c-3) in complete factored form?

Last Saturday, there were 1486 people at the Cineplex. There were about the same number of people in each of the 6 theaters. Between which two numbers does the number of people in each theater fall?

Which expressions are polynomials? Select each correct answer. x2+5x15 -x2+5x 6x² + 5x -7x2+53x

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

Forty-three is 7 less than twice a number. What is the number?

Suppose b = 2a-16 and b = a+2. What is the value of a?

Is - 3/2 a rational number

What is 6.025 as a fraction