Answer:
to find how many sales Ross made in a day divide 27 by 3 and to find Mona's divide 49 by 7 since there is 7 days in a week
Step-by-step explanation:
27/3 = 9 so Ross made 9 sales in a day
49/7 = 7 so Mona made 7 sales in a day
9>7
therefore Ross made more sales
Answer:
13)to find the length of the diagonal of a square, multiply the length of one side by the square root of 2
Answer:
1 1/21
Step-by-step explanation:
9 × 2 + 4 = 22
22/9 × 3/7 = 66/63
66/63 = 1 3/63 = 1 1/21
Answer:
(x - y)(x + y)(x² + y²)
Step-by-step explanation:
- 
← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b), thus
-
= (x²)² - (y²)²
= (x² - y²)(x² + y²) ← x² - y² is also a difference of squares, then
= (x - y)(x + y)(x² + y²)
