Please help i’m doing an exam rn. i will reward u brainliest

the answer is 21%.

you can use a^2+ b^2=c^2

yes, gavin is right.

step-by-step explanation:

gavin is correct. 

this problem is about converting 9% per year to how many percent per quarter. the rate is still the same. it only differed in the time period. so, through dimensional analysis,

9% per year  × (1 year / 4 quarters) = 2.25% per quarter

if he was asked to convert 9% per year to how many percent per quarter  compounded quarterly, then you will not simply divide by four. this is because compounding is not linear.

hope this , have a good day. c;

320ft

step-by-step explanation:

120 divided by 3 equals 40

40 times 4=160

160 times 2=320