Answer:
5 miles per hour
Step-by-step explanation:
Using the graph, at time 1 hour, she has run 5 miles
That means the rate is 5 miles/ 1 hour
5 miles per hour
Answer:
84
Step-by-step explanation:
2x2x3x7=84
Answer:
D
Step-by-step explanation:
The diagram shows Pascal's triangle. Pascal's triangle is a triangular array of the binomial coefficients.
The entry in the
row (start counting rows from 0) and
column (start counting columns from 0) of Pascal's triangle is denoted by

Coefficient 20 stands in 6th row, then n = 6 and in 3rd column, so k = 3.
Hence,

Answer:

Step-by-step explanation:
Given

Required
Rewrite and identify a, b and c
The required form is:

Equate both expressions

Rewrite as:

Compare the expressions on either sides

Answer:
The answer is C. 7 and -7