-19x+9 is the answer
First distribute -5 and -7 once you that you’ll get -5x+30 and -14x-21 so now you have -5x+30-14x-21 you then are gonna combine like terms so -5x-14x is -19x and 30-21 is 9 and so you’ve simplified all you can and end up with -19x+9
Answer: b₂=2A/h-b₁
Step-by-step explanation:
A =1/2 (b₁ + b₂)h
2A=(b₁ + b₂)h
2A/h=b₁ + b₂
b₂=2A/h-b₁
Answer:
1) There are 4 sides in a square where all the sides are equal
2) Squares have 90 degree angles!
a nd three) it has 4 equal angles
Answer:
7
Step-by-step explanation:
7 x 3 = 21
