Answer:

Step-by-step explanation:
Hello,
let's find a and b reals so that


we identify the terms in 
9 = 3a
we identify the terms in x
-18 = 3b + a
we identify the constant terms
-7 = b
so ti goes with a = 9/3 = 3, b = -7
so we can write

so 
hope this helps
Turn the percentage into a decimal
30% = 0.3
Multiply.
80 * 0.3 = 24
Best of Luck!
110 minus 52 is 58 so the answer would be 58 more pitches
Answer:
Yes, -1 is reasonable.
Step-by-step explanation:
Sum means adding +.
(6*-1) - 5 = -11