Answer:
She spends 2 hours driving.
Step-by-step explanation:
The formula given is:
In which d is the distance traveled, r is the rate of speed, and t is the amount of time spent traveling.
Grace drives her truck a distance of 80 miles at a steady speed of 50 miles per hour.
This means that 
To the nearest hour, how many hours does she spend driving?
We have to find t. So
Rounding to the nearest hour
She spends 2 hours driving.
Answer:
Step-by-step explanation:
*photo attached*
B because you multiply every number by 4.
Ex. 30 x 4 = 120
120 x 4 = 480
480 x 4 = 1,920
1,920 x 4 = 7,680
Hopefully that helps you :)
Answer:
4x+20
Step-by-step explanation:
You distribute 4 to x and 5. Which means you just multiply 4 to x and 5 since they're in the parenthesis. 4 times x is 4x and 4 times 5 is 20.
Answer:
Triangular prism with base being an equilateral triangle with side of 9.
<u>Area of equilateral triangle with side a:</u>
<u>Volume:</u>
- V = bh = (√3/4)a²h = (√3/4)9²*14 = 491.0 cm³
<u>Surface area:</u>
- A = 3ah + √3/2*a² = 3*9*14 + √3/2*9² = 448.1 cm²
