Simplify.(
+ 4)(
- 4)
A. 22
B. 2
C. 6 - 2
D. -10
Answer: D
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Solve the problem.A satellite dish has a parabolic cross section and is 12 ft deep. The focus is 16 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 63 ft B. 59 ft C. 57 ft D. 55 ft
Use the check register find the ending balance.Mary Dunn had a balance of src="https://sciemce.com/media/4/ppg__10619192215__f1q3g6.jpg" alt="" style="vertical-align: -4.0px;" /> Then on 
in her checking account before writing three checks and making two deposits. On 
she wrote check 
to Dr. Crandal for 
and check 
to Express Framing for 
she made a 
deposit, and wrote check 
to Big Electronics for 
On 
she made a 
check deposit. Record the checks and deposits in Mary's check register, and then find the ending balance.
A. $5522.15
B. $6164.52
C. $5828.55
D. $6020.01
Find the intercepts of the function f(x).f(x) = 2x3 - x2 - 20x + 10
A. x-intercepts: -2, 
, - 
; y-intercept: 10
B. x-intercepts: 2, 
, -
; y-intercept: 10
C. x-intercepts: 
, 
, - 
; y-intercept: 10
D. x-intercepts: - 
, 
, - 
; y-intercept: 10
Establish the identity.ln 
+ ln 
= 2 ln 
What will be an ideal response?