Answer:
20 or D.
Step-by-step explanation:
You simply plug in the values given for a and b:
[tex]4(5)+7(-3)+3(5)-2(-3) = 20-21+15+6=20[/tex]
So, your answer is 20.
last one: 20
Step-by-step explanation
4*5 + 7*-3 +3*5 - 2*-3
20 + -21 + 15 - -6
-1 + 15 - -6
-1 +15 + 6
14 + 6
20
