Prove or disprove that if a and b are rational numbers, then ab is also rational.

What type of number is - 277? is it real? imaginary or complex?

How many cans if it was 250, and i have 3 friends, i gave Kim 40, Jacob 80, and Mia 60?

What's 5 plus 10 because I wasn't very sure and a need it for my math homework

x:2 (105-275:11) : 4=28

An item is priced at 60 dollars it is on sale for 40% off the regular price

Suppose that $88 comma 00088,000 is invested at 3 and one half3 1 2 % interest, compounded quarterly. a) find the function for the amount to which the investment grows after t years

What is 17,628 divided by 452?

Make d the subject of the formula a=cd

What is 5x-9=7x+6-2x

A regular pentagonal prism has a height of 12 in. and base edge length of 8 in. Identify its lateral area and surface area. L = 576 in2; S = 700.2 in2 L = 480 in2; S = 590.1 in2 L = 480 in2; S = 700.2 in2 L = 576 in2; S = 590.1 in2