-7x^2=(y+5)(y-5), 5y=15x If (a, b) is a solution to the system of equations shown above and a>0, what is the value of a?

answer: need picture of problem

step-by-step explanation:

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.

answer: im sorry i dont get it

step-by-step explanation: