1/5(2x-15)=1/10(4x-30)

a. infinite solutions
b. one solution
c. no solution

Do one of the following, as appropriate: (a) find the critical value z subscript alpha divided by 2 , (b) find the critical value t subscript alpha divided by 2 . 99%; nequals 17; sigma is unknown; population appears to be normally distributed.

The product of 3 and a number increased by 8 is 31 written as an equation

Zack and tia played chess for 50 min they put the chessboard away at 11: 20 when did they start