Answer:
f(a) = 2a² + 4a + 5
Step-by-step explanation:
Answer:
59.4 mph
Step-by-step explanation:
Answer:
42 days
Step-by-step explanation:
1 week equals 7 days
7 × 6 = 42
9/20
A percentage is the same as showing a number over 100 and if we multiply 20 by 5 we get 100. So if we multiply 9 by 5 we get 45, giving us 45/100 which can be shown as 45%.
As a decimal, well if we say 100% equals 1.0, then 45% equals 0.45