Solve using ELIMINATION (with step by step explanation) Please will give brainliest 3x+y=-9
y=5x+7

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?