perform the indicated operation.
20) h(x)=x-2
g(x)=x² – 3x
find (h - g)(x)
a) x² + 4x-2
b) x2 - 4x + 2
c) 3x? + 2x + 5
d) x2 + 4x + 2

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand