Is a mathematical phrase involving at least one variable and sometimes numbers and operation symbols also known as exprssion

A wooden plank is 19 feet long. Mrs Dambra cuts 3 feet off the wooden plank. She then cuts the remaining piece of wood into equal pieces, each 1/5 long. how many pieces does mrs. dambra cut

A palindrome is a number that reads the same forward and backward. For example, 2442 and 111 are palindromes. If 5-digit palindromes are formed using one or more of the digits 1, 2, and 3, how many such palindromes are possible?

1 2/3 + 2 3/6 step by step

How many solutions does this equation have? 9 (w-9) - 2=-7w+7 (w-8)

The population of a European city increases by 2% annually. If the initial population was 50,000, what is the expected population in 10 years if this trend continues?

Alicia went on a steamboat ride up the mississippi river. the boat travels 32 miles per hour in still water. how long will it take her to travel 168 miles upstream if the current of the river is 8 miles per hour?

What is the answer to 5 (3m+2)

What percent of her overall bill did Bella save? Original price: $225 Price after discounts: $180

The edge of a cube was found to be 15 cm with a possible error in measurement of 0.1 cm. Use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the

A. Meat, 1 lb. for $1.95 would = b. Meat 2 lb. for $3.52 would = c. The best buy would be