Answer:
10.452+6.3
=10.452+6.3
=16.752
Step-by-step explanation:
25 chapter books
117 - (23×4)
[23×4=92]
.°. 117 - 92 = 25
B. and D.
a
(f+g)(x) = f(x) + g(x)
= 2x² + 1 + x² - 7
= 3x² - 6