Please help me Rosa has $ 117 in her savings account and $ 95 in her checking account. Each week she will put $ 21 into her savings account and $ 25 into her checking account.

Question:

Write an equation that can be used to find the number of weeks, x, until Rosa has the same amount of maney in both

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.