3 years ago

Please help asap 30 pts

Mathematics

2 answers:

jok3333 [9.3K]3 years ago

7 0

Answer:

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

motikmotik3 years ago

5 0

Answer:

20 or D.

Step-by-step explanation:

You simply plug in the values given for a and b:

$4(5)+7(-3)+3(5)-2(-3) = 20-21+15+6=20$

So, your answer is 20.

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