Is square root of every non square number always irrational? find the smallest natural number which divides 2205 to make its square root a rational number.

4/5 is () because it can be written a fraction

A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 140 lb and each box of books weighs 40 lb. The maximum capacity of the elevator is 1130 lb.

What is the gcf for 28 and 70

How many threes go into 63?

Find the mean, median and mode of the weights of the people show

Two identical twins can only be distinguished by the characteristic that one always tells the truth and the other always lies.

11 is a solution of the equation. z-6=5

Simplify the fraction 2 over 8

Express each rate as a unit rate $46 for 5 toys

What is the slope of a line parallel to the line who se equation is 6x - 3y = 63