Solve.?5x + 4? = 8
A. - 
, 
B. - 3, 1
C. No solution
D. - 
, 
Answer: A
Mathematics
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Convert the units.820 mm = cm
A. 8200 cm B. 82 cm C. 82,000 cm D. 8.2 cm
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Determine the measure of the interior angle at vertex A.
A. 60° B. 300° C. 120° D. 420°
Mathematics
Solve the problem.For the equation y = - 
cos(2x - 2?), identify (i) the amplitude, (ii) the phase shift, and (iii) the period.
A.
(i)  | (ii)  | (iii) ? |
B.
(i)  | (ii) ? | (iii) ? |
C.
| (i) 2 | (ii) ? | (iii) ? |
D.
| (i) 2 | (ii) 2? | (iii) 2? |
Mathematics
Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x2 + 3xy - 40y2
A. (x - 8y)(x + y) B. (x - 8y)(x - 5y) C. (x + 8y)(x - 5y) D. prime
Mathematics