A stack of boards is 21 inches high. Each board is 1 and 3/4 inches thick. How many boards are there?

If the original price is being discounted by 20%, what percent of the original price still needs to be paid?

The temperature during a day can be modeled by a sinusoid. Answer the following question given that the low temperature of 53 degrees occurs at 4 AM and the high temperature for the day is 99 degrees.

What are 5 physical and 5 chemical changes in your home

Which statement is true? Question 5 options: All rectangles are squares. All quadrilaterals are rectangles. All squares are rectangles. All parallelograms are rectangles

What set or sets does the number 15 belong to

Swimming 1/4 of a mile uses about the same number of calories as running 1 mile. Glida ran a 26 mile marathon. about how far would her sister have to swim to use the same number of calories Glida used during the marathon?

A can diameter is 3 inches, and its height is 8 inches. what is the volume of the can.

Mo's farm stand sold a total of 164 pounds of apples and peaches. she sold apples for $1.75 per pound and peaches for $2.50 per pound. If she made $337.50, how many pounds of peaches did she sell?

Use strong mathematical induction to prove the existence part of the unique factorization of integers theorem (Theorem 4.4.5). In other words, prove that every integer greater than 1 is either a prime number or a product of prime numbers.

Solve the equation by factoring. 25d3 - 36d = 0