What does it mean to say two fractions are equivalent?

9/10 of ailen races think invading earth is a bad idea what percent of alien races think invading earth is bad?

what is 4/3 as a mixed number

Which of the following choices is the standard deviation of the sample shown here? 19, 20, 21, 22, 23

There are20 keys on a keychain. One of the keys starts a car. If a key is randomly chosen what is the probability that it starts the car A) 5% B) 25% C) 20% D) 15%

A candy distributor needs to mix 10% a fat content chocolate with 40% fat content chocolate to create 200 kg of a 16% fat content chocolate how many kilograms of each kind of chocolate must they use

A company invests a total of $40 comma 00040,000 of surplus funds at two annual rates of interest: 55 % and 66one half 1 2 %. It wishes an annual yield of no less than 6one fourth 1 4 %.

7 divided by 11187.4

Six more than the quotient of four and a number x as an expression

Write a word problem for 3x20sec=t

When solvinga literal equation, what is the trick for isolating a variable that appears more than once?