2a. speed= distance
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time
60÷69 = 52.1739 miles per hour.
so for the next one with the airplane flies 296 km in 276 min is the same formula.
296/276 = 39.9839 mph.
I couldn't see the first question clear...sorry but apply same formula.
Hoping this will help you
31.5
because 3 gallons are lost per minute so 3 x 10.5= 31.5
Answer:
Step-by-step explanation:
(f •g)(x)= 3x² * (x + 2)
= 3x²*x + 3x² *2
=3x³ + 6x²
Problem 1
Answer: Choice B. X is greater than or equal to 4
The closed circle at 4 indicates that this value is included in the solution set. So we will have an "or equal to" as part of the answer. The shading to the right suggests "greater than". Combine "greater than" and "or equal to" and we have a "greater than or equal to" sign.
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Problem 2
Everywhere is shaded but -4 on the number line. So x can be any number but -4. The answer isn't listed (probably got cut off), but it should be 
(x is not equal to -4). The slash through the equal sign means "not equal to"
Answer:
The answer should be <u>8-12x......if i take a wild guess out of your answer choices, would say C. </u>
Step-by-step explanation:
<u>-4 (-2+3x)</u>
<em>[carry over the -4 to (-2) and (3x) ]</em>
<u>8-12x</u>
<u />
