Answer:
21:27 and 14:18
Step-by-step explanation:
We can solve this by using common factors
one of the common factors of 54 and 42 is 3
42/3=14
54/3=18
so one of the ratios is 14:18
another common factor is 2
42/2=21
54/2=27
so another ratio is 21:27
27.75/5 = $5.55 per book
32.16/6 = $5.36 per book
The online store is the cheapest because it has the lowest unit rate
You only need two numbers to do that.
The numbers are 16 and -3 .
16 - 3 = 13
(16) x (-3) = -48
Answer:
8x+8
Step-by-step explanation:
6x+2x=8x 12-4=8
Answer:
(x+4) (x-1)
Step-by-step explanation:
x^2 + 3x - 4
What two terms multiply to -4 and add to 3
4*-1 = -4
4+-1 =3
(x+4) (x-1)
