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1 answer:
Answer:
(a) mintutes, seconds
(b) Randomly pick 55 students to run a lap around the track and measure their times
Step-by-step explanation:
(a) When measuring distance like running you measure it in minutes and seconds
(b) When finding the average of a population you have to pick randomly and to get the best results you time them youself
Randomly pick 55 students to run a lap around the track and measure their times.
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Answer:
B. Because x(x+3) is x^2+3x
top left
is not
Step-by-step explanation:
The equation in standard form is 0.5x-y=-3.
1/2 hour = 105 miles
Divide by 1/2 on both sides :
1/4 hour = 52.5 miles
The most likely answer would be C.
