D. Both the intake valve and the exhust valve are closed.
Answer:
Step-by-step explanation:
Equation : 165 = 102 + 1.4K
Define: K is # of kilometers
Solve: 63 = 1.4k, so k = 45
Final answer: 45 kilometers
Answer:
The distance between the parallel sides is 20cm.
Step-by-step explanation:
Area of a trapezoid:

where a and b are the 2 bases, and h is the height. The value we're trying to find here is the height.
3 of the 4 variables in this equation are already given:
A = 800
a = 48
b = 32
Just plug those in and solve for h:

Answer:
x = 2 and y = 1
Step-by-step explanation:
4*2 = 8
8 * 1 =8
8+8=16
4(2) + 8(1) = 16
could pls have brainliest!!