Answer:
what are the different choices?
Step-by-step explanation:
So we know that 50% is 1/2
it increased by 1/2 so find 1/2 of 90 and add that to 90
1/2 of 90=90 times 1/2=90/2=45
45+90=135
new price is $135
Step-by-step explanation:
a is the correct not sure though
Answer:
the diameter is 4
Step-by-step explanation:
If your radius is 2 that is half of the diameter so times the radius by 2 and you get your answer.
Answer:D
Step-by-step explanation: