True or false? tell whether the pair of ratios form a proportion. 8/12 and 14/21 explain why you chose what you chose

True; The pair of ratios form a proportion.

Step-by-step explanation:

To tell whether these two ratios are proportional, we can simplify each of them

As both ratios simplify into the same ratio, they are proportional.

answer: 180

step-by-step explanation:

12-2=10

20-2=18

10x18=180

constant acceleration- a

constant velocity- c

no velocity or acceleration- b

explanation:

for body moving with a constant acceleration, the rate of change of displacement changes over time. this is proven by the increasing gradient of the curve (a) against time.

a body that is moving at constant velocity covers equal distances over equal periods of time, thus the straight line with a constant gradient c.

a stationary body   covers no displacement as time elapses. thus the flat line with   zero gradient.