Complementary angles add to 90 degrees.
3x+5+2x-15=90
5x-10=90
5x=100
x=20 <=======
Plug in the value of x
3(20)+5
60+5
65= angle A <========
2(20)-15
40-15
25= angle B <========
Answer:
a diverge
b512000
c1000(2^30-1)
d
Step-by-step explanation:
t10=ar^9
=1000*2^9
s30=a(r^n-1)/r-1
=1000(2^30-1)/2-1
A Line graph
<em>Sure hope this helps you</em>