With the information given, we can set up the following system of equations:


x represents how many songs Jennie has, and y represents how many songs Diamond has.
Answer:
66.4°
Step-by-step explanation:
→ Find the side which is not given
Hypotenuse = 15 cm
Opposite = ?
Adjacent = 6 cm
→ Utilise the formula triangle with out opposite in it
Cos⁻¹ = Adjacent ÷ Hypotenuse
→ Substitute in the terms
Cos⁻¹ = 6 ÷ 15 ⇔ 66.4°
Answer:
-83
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given (Missing part of question)
T-shirts = $7.50
Shorts = $9.00
Windbreakers = $12.25
Required
Determine the total cost
Total Cost is calculated as follows;




Answer:
21
Step-by-step explanation:
14+7=21.
You do this to allow you to get that outcome, because you know 7*7=49.
Therefore 21-14=7
7*-7=49