Find the sum of 4 1/2,7 1/2 and 6

Product of primes for 63

The average (mean) of 90 numbers is 60, and the average of 60 numbers is 90. What is the average of all the numbers? I will mark brainliest for the best explanation

Six more than the product of 2 and 3

Out of 100 people surveyed 27 said they like winter best. What percent does not like winter best?

Which value of a from the set {16, 18, 20, 22} makes the equation 2 (42 - a) = 48 true?

When six is subtracted from five times a number, the result is 9

What is the product of (-1.5) (0.8) ?

Harold brought three pounds of red apples and 4.2 pounds of green apples from the grocery store we're both kinds of apples are $1.75 a pound how much did Harold spend on apples

4-t=3 (t-1) - 5 solve the equation

Give a counterexample for the statement: 'All square roots are irrational numbers'. Explain your reasoning.