remember PEMDAS
parenthasis ... exponents... multiply...divide...add...subtract
A.)2xX is 2x12 so
2x12+3=27
b.)4x5 s 20 -1 is 19
c.)7x2 is 14 and 15-14 is 1
d.)6-1 is 5 3x5 is 15
ANSWERS
A.)27
B.)19
C.)1
D.)15
Ta-da!
hope this helps
27
19
1
15
Hope helps you
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