On a coordinate plane, triangle Q R S has points (negative 9, 5), (6, 10), and (2, negative 10).
Find the area of the triangle QRS.

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Step-by-step explanation:

22

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100