Answer:
Step-by-step explanation:
If you factor the expression 7a+21 you can get:
7 × (a+3)
Answer:
14 1/4
Step-by-step explanation:
Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction.
Step-by-step explanation:
Given,
a=3,b=2,c=5
a)a(b+c)
=3(2+5)
=3×7
=21.
B)2ac^2
=2×3×(5)^2
=6×25
=150
Answer:
a=9
Step-by-step explanation:
Answer:
supplementary angles
Step-by-step explanation:
they are on the same line, so they sum up to 180°
