Unit 5 Test - Rational Numbers 4 of 9
Olivia walks up to a tank of water that can hold up to 50 gallons. When it is active, a drain empties water form
the tank at a constant rate. When Olivia first sees the tank, it contains 38 gallons of water. Four minutes later,
the tank contains 18 gallons of water.
2
a.) At what rate is the amount of water in the tank changing? Use a signed number and include the unit of
measurement in your answer.
b.) How many more minutes will it take for the tank to drain completely?
c.) How many minutes before Olivia arrived was the water tank completely full?

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation:

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step-by-step explanation:

  d. △abc is congruent to △fde

step-by-step explanation:

triangle abc is reflected across the x-axis. the corresponding vertices are

the names of the triangles in the congruence statement must have corresponding vertices in the same order. that is, △abc is congruent to △fde.