Answer:
the answer is a+b
Step-by-step explanation:
7(3a-2b) +5(3b-4a)
21a-14b+15b-20a
a+b
Answer:
x = 12.1243557....
Step-by-step explanation:
14² = 7² + x²
Isolate x.
x² = 14² - 7²
x² = 196 - 49 = 147
√x² = √147
x = √147 = 12.1243557....
Answer:
68
Step-by-step explanation:
Area of a triangle is
