A petroleum laboratory technician can perform 56 tests on samples in 7 hours. At this rate, how many of the same tests could the technician perform in 8 hours?
49
57
64
105
120

64

Step-by-step explanation:

56/7 = 8

8*8 = 64

64 tests

no, the equation would be invalid since they are both not equal.

step-by-step explanation:

here you got

4y-6+4y 2-9

first, you would simplify the equation on the form.

4y-6+4y 2-9

then, move all the terms that contains a y to the left and all the other terms to the right.

+4y-4y+-9-6

finally, you will simplify the left and the right side of the equation.

y=-3

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