Answer:
43
Step-by-step explanation:
18x+7
=18×2+7
=36×9
=45
104 square yards
The formula for area of a rectangle is length times width.
A = length x width
A = 13 x 8
A = 104
Since the units on each side are yards, the area is in square yards.
Answer:
If the mean of four numbers is 7, we know that their sum is 7 * 4 = 28. We can use this information to find the last number. If the fourth number is x, we can write:
2 + 5 + 17 + x = 28
24 + x = 28
x = 4
Answer:
20 engines
Step-by-step explanation:
10% of 200 = 20 the expected leaky engine is 20
