Answer:
D. x = 8
Step-by-step explanation:
MNOP is a trapezoid with a meadian QR
So
QR = 1/2(NO + MP)
2(QR) = NO + MP
2(16) = 8 + 2x + 8
32 = 2x + 16
2x = 16
x = 8
B= number of beakers which there are 450
t= number of test tubes
the answer is 1.46
Hi!
We can solve this by setting up a proportion

Solve for x by cross multiplying.
19 x 60 = 1140
1140/38 = 30
You can type
30 words in 60 secondsHope this helps! :)