Ralph bought 3 boxes with 20 pencils each and 4 boxes with 10 pens each. To find the total number of pencils and pens, Ralph evaluated 3*20+4x10=720. is his answer reasonable? Explain.

The area of a triangle is 30 square feet. If the triangle is 5ft, what is the base of the triangle?

When you divide a positive integer by a negative integer is the result positive or negative?

What are the first five multiples of 9

What part of equality I used for 4t+44?

Each of the statements contains a blunder. In each case, choose the statement that correctly explains the blunder. (a) "There is a high correlation between the sex of American workers and their income.

What is 3/4 divided by 3/4t

The sales tax on a 15,000 car is 540. at this rate what is the tax on a 32,000 car

Simplify 24 1/40 - 5 1/10 + 1 1/2

The weight of adults Male beagles are normally distributed, with a mean of 25 pounds and a standard deviation of 4 pounds. The probability that a randomly selected beagle weighs between 15 pounds and 33 pounds is closest to?

A. This lock has 3 wheels. Each wheel is numbered from 0 to 9 The least three-digit combination possible is The greatest three-digit combination possible is How many possible combinations are there? 0 112