Answer: -4
Step-by-step explanation:
The increase is D: 50% because the 1 in the parentheses stands for the 20 that was already there, with the .5 being the amount that’s actually being increased. 0.5 translates to 50%, so the answer is D.
$20-$14.56=$5.44
The mechanic would get $5.44 back as change.
Answer:
the time taken for the ball to hit the ground is 9.4s
Answer:
Step-by-step explanation:
let f(x)=ab^x
when x=1,f(x)=6
6=ab
when x=2,f(x)=18
18=ab^2
divide
