P=18+7+4x+3x+19x I'm so confused

What is the scientific notion of 8

Fran would like to estimate the mean amount of time it takes people in her town to travel to work. The town's population is 150,000 and about 90,000 of those are working adults. Which statements are true? Select each correct answer.

In the formula I=PRT, what is the value of T? A. R over IP B. I over Pr C. Pr over I D. IP over r

A) Find the value of 3x - 2 when x = 4 b) Find the value of 5x + 6 when x = - 2

Of the books in a library, 1/3 came from Robbie's collection and 15 came from Marta's. Of the rest, 15 were Elena's 1/5 were Winfield's, and 5 were purchased from the bookstore. How many book are there in the library?

1/15+1/6=? Step by step

What is the y coordinate of the solution to the system of equations? 3x+6y=3 5x-y=27

Select each expression that is equivalent to 3 (n+6) select all that apply A. 3n+6 B. 3n+18 C. 2 (n+6) + n D. 2 (n+6) + (n+6) E. 2 (n+6) + n

Find the sum of the polynomials below. (8x9 + 6x6 - 2x + 6) + (9x9 + 4x6 + 9x + 7) A. 17x9 + 10x6 + 7x + 13 B. 10x9 + 17x6 + 7x + 13 C. 72x9 + 24x6 - 18x2 + 13 D. 17x9 + 10x6 - 7x + 13

Find four consecutive integers such that three times the sum of the first two integers exceeds the sum of the last two by 70.