Answer:
$56×2=$112 and $45×4=$180 so $112+$180= $291
It doesn’t matter (8,4) 8=x1 , 4=y1 (-4,-4) -4=x2 , -4=y2
Answer:
4:20
Step-by-step explanation:
because there are 20 teachers in all and 4 science teachers so your chances of getting a science teacher are 4 out of 20
Answer:
x= -3
x= -5
Step-by-step explanation:
x^2 + 8x + 15 = 0
find which 2 numbers when multiplied equal 15 and when added equal 8
they are 3 and 5
(x+3)(x+5)
x+3 =0
x+5=0
x= -3
x= -5
