Answer:
a=18.7 or 19 rounded up
Step-by-step explanation:
Use Pythagoras Thereom
a^2=8^2+17^2
a^2=64+289
a^2=353
√353
a=18
Must increase the radius r, as volume of a sphere depends on the radius.
7x-3 would then be 7(-2) -3. 7 multiplied by -2 would be -14. -14-3= -17
hope this helps
Answer:
SSS
Step-by-step explanation: