Answer:
1. -1z-3
2. 4x+2
3. -y+11
4. 7a-22
Step-by-step explanation:
Not too sure about the last one
<span>72100 multiplied by 1.02 is 73542
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ANSWER: y=6
straight lines are 180° and all the angles in a triangle add up to 180°
Here is 974 in expanded form
900+70+4 =974
By definition, the volume of a sphere is:

Where,
r: sphere radio
Substituting values we have:

Rounding the result to the nearest tenth:
Answer: the sphere's volume is: