Answer:
(3w - 7)(3w + 7)
Step-by-step explanation:
The expression is a difference of squares and factors in general as
a² - b² = (a - b)(a + b)
Thus
9w² - 49
= (3w)² - 7²
= (3w - 7)(3w + 7)
All cross sections of spheres are “circles”
Answer: Time and half---$15.60
Double time--$20.80
Step-by-step explanation:
TIME AND A HALF
$10.40/2= $5.20
$10.40 + $5.20=$15.60
DOUBLE TIME
$10.40 x 2 =$20.80
Answer:
c
Step-by-step explanation:
because it is the most reasonable answer
Answer:
$21.94
Step-by-step explanation:
I'm not sure how many pizzas were ordered, but let's say you just got one large pizza that was $18.
First, the sales tax - 6%
$18 + 6% = $19.08
Then you give a 15% tip.
$19.08 + 15% = $21.94