Answer:
B
Step-by-step explanation:
25y² - 16 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b)
Given
25y² - 16
= (5y)² - 4²
= (5y - 4)(5y + 4) → B
3 yards fabric costs $7.47
1 yard fabric costs $7.47 / 3
2 yard fabric costs $7.47 / 3 * 2
= $4.98
so, the extra fabric will cost $4.98
20 x 3.2 = 64.0
It is equal to 64 because of you do long multiplication, it is 32 x 20 then add back in the decimal point in between the 4 and 0 for the answer.
Answer:
1067
Step-by-step explanation:
(1078) + (-11)
1078 -11=1067