Answer:
Step-by-step explanation:
What you would want to do is add the $15.75 you would want to add it 5 times
Answer:
Step-by-step explanation:
There are 1000 m in 1 km, and 3600 s in 1 h, so the speed conversion is ...

The car's speed is 90 km/h.
__
In 2 hours, the car will travel ...
distance = speed · time = (90 km/h)(2 h) = 180 km
Answer:
C.
Step-by-step explanation:
Hope this Helps you !
Answer:
The first blank is 81
+9=x-1
The second blank is 9x+3=x^2-1
Step-by-step explanation:
For the first part, you must set up the equation (9x+3)^2 then you must multiply the exponent to the inside exponents
+
next, simplify.
81
+9=x-1
For part two, set up equation.
Then simplify 9x+3= 