2(a + 3) = −4 i need help please and thank you

a=-5

Step-by-step explanation: first move the distribute 2(a+3)

then you should get 2a+6=-4

next subtract the six and you get 2a=-10

then divide 2 and you  get a=-5

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.