Answer:

Step-by-step explanation:

Amy runs 1 mile in 7.6 minutes so in 57 minutes she will have run 7.5 miles
Answer:
it C Step 2, the exponents in the denominator are added during multiplication
hope it helps!
Answer:
yes she is right
Step-by-step explanation:3x + 3 is the same as 3 + 3x.
the zero adds nothing to the 3x term. So this means that 3x +3 and 3 + 3 are the same.
i hope this helps you.
Let the distance from the engineer to the base of the building be x, then
tan 22 = 450/x
x = 450/tan 22 = 1,113.79
Therefore the distance from the engineer to the base of the building to the nearest foot = 1,114 feet