Which equations have infinitely many solutions? Select TWO that apply.
A. 6(x-9)=6x-54+x
B. 5(x-8)+10=5(x+2)
C. 20-8x-6=2(7-4x)
D. 4(x+4)=2(2x+5)+6
E. 2x+9=18+2x
A. 6(x-9)=6x-54+x
E. 2x+9=18+2x
A salesman makes both a base salary and also a commission, which is a percentage of what he sells. Each month, if his sales total s dollars, he makes a total of 2,000 + 0.1s dollars. What does 2,000 represent?
A.
his monthly base salary in dollars
B.
the amount of his monthly sales in dollars
C.
his total monthly pay in dollars
D.
his monthly commission in dollars
A. his monthly base salary in dollars
The value of a baseball card in dollars has been found to be 0.15y + 0.35, where y is the number of years since it was released. By how much is the baseball card's value increasing per year?
A.
$0.15
B.
$0.35
C.
15%
D.
35%