The point LaTeX: \left(-1,\:5\right)( − 1 , 5 ) is the solution for the following system of equations bx+ay=7b x + a y = 7

ax-2y=-4b

Which of the following is true?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

If i have one apple and give you the apple, how many apples do i have?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?