Answer:
a = 9
Step-by-step explanation:
you can simplify the proportion to:

use cross- multiplication
8a = 72
a = 9
Answer:
44
Step-by-step explanation:
h(-7) means use the expression labeled h and evaluate it for x=-7.
Like this:
(-7)^2 - 5
49 - 5
44
Answer:
x - sqrt(2)
Step-by-step explanation:
x - sqrt(2)
Answer:
853,125
Step-by-step explanation:
Umhhh u can use a calculator… or write it down and slowly break down solve it like that.
Hope this helps, good luck! ;)