15 x 25 = 375
15 x 50 = 750
375 + 750 = 1,125
She has 1,125 books.
60x1.15=69
Retail price is $69
Answer:
D.
Step-by-step explanation: You can use desmos for any graphing problem. Its your best friend for graphing
Answer:
19
Step-by-step explanation:
note that
(a + b)² = a² + b² + 2ab , that is
a² + b² + 2ab = (a + b)² ← subtract 2ab from both sides
a² + b² = (a + b)² - 2ab
= 5² - 2(3)
= 25 - 6
= 19
Answer:
8.8
x
+
1.2
=
6
y
−
2
(
3
y
+
4
)
=
4
y
+
20
−
2
x
=
3
Step-by-step explanation: