21 po nag calculator lang ako
Answer:
b.
Step-by-step explanation:only reasonable answer if you are subtracting 56 and attempting to estimate to the closest value. my guess, not TOTAL aswer,
Using the given info, we can determine that

simplify

multiply both sides by -a
and divide each side by -2

A = 4
Answer:
23
Step-by-step explanation:
12+17+30+19+27+21+35=161
161÷7=23