Answer:
Sam is correct.
Step-by-step explanation:
Exponent rules state that when an number with an exponent is raised to a power, the two exponents multiply. For example, a^2^2=a^4.
Answer:Renee Descartes was the person that invented slope of a line
Step-by-step explanation:Renee Descartes was the person that invented slope of a line
The shapes are similar.
When two figures are similar, the ratios of the lengths of their corresponding sides are equal.
Therefore,

Simplify:

Cross multiply:
42(10+x) = 57x
420 + 42x = 57x
420 = 57x - 42x
420 = 15x
x = (420÷15)
x = 28
Answer:
12 minutes
Step-by-step explanation:
my guts are always right
Answer:
x=52
Step-by-step explanation: