Answer:
If Mary earns 7$ an hour, we need to multiplicate 7$ by the number of hours worked for the entire week so we can get the salary per week.
Step-by-step explanation:
it's correct
Answer:
the second number is 4
Step-by-step explanation:
13+x=17
x=4
Answer:
x = 12
Step-by-step explanation:
Angle QPR + Angle PQR = Angle HRQ

Answer:
It is graph A
Step-by-step explanation:
Answer:
2.45 × 
Step-by-step explanation:
using the rules of exponents
•
= 
•
= 
evaluating the numerator
(3.8 ×
)² = 3.8² ×
= 14.44 × 
R = 
=
× 
= 2.45 ×
← to 2 dec. places