Make a ten or hundred to add 339+123

Sinplify this expression - 3 (10x+4y) + 6 (6x-2y)

What is the answer to this math problem - 13+5+-4+5

Nilson caught a fish that weighed 1.25 pounds. Later, he caught another fish that weighed 1.92 pounds. What is the combined weight of both fish? What was the difference in weight between both fish?

Which polynomials are in standard form? Choose all answers that apply: 5 - 2x x^4 - 8x^2 5x^3 + 4x^4 + - 3x + 1 None of the above

1. Write a numerical expression for the phrase "three groups of six subtracted from eighty." 2. Write an algebraic expression for the phrase "the sum of a number squared and five."

By selling a watch for 1505$, a man gains 1/6 of its cost price. Find the cost price of the watch.

At a certain library, an average of 5,000 people visit each month. in july, there was a 15% decrease in the number of people who visited. which expressions represent the average number of people who visited the library in july?

Lateral surface area of a cylinder with a radius of 3 and a height of 8

Which expression represents the algebraic phrase the sum of - 3/8 and four times X - 9 times Z

What is 6+6+6+6+6+6=?