Answer:
B. 39
Step-by-step explanation:
3x=117divided by 3=39
Answer:
a) 26.2
b) 13.8
Step-by-step explanation:
You add all side lengths, which are given.
a) 9+4.1+9+4.1 = 26.2
b) 3.6+3+7.2 = 13.8
Answer:
-3±√89/10
Step-by-step explanation:
Answer: x³+2x²-15x
Step-by-step explanation:
1. Expand
(x²-3x)(x+5)
2. Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd
x³+5x²−3x²−15x
3. Collect like terms
x³+(5x²−3x²)−15x
4. Simplify
x³+2x²-15x
Hope this helps, have a BLESSED and wonderful day! ;-)