Solve using both the addition and multiplication properties of equality.
y - 30 = -20
A. y = 4
B. y = 1
C. y = 20
D. y = -4
Answer: A
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Solve the problem. Snell's Law states that 
Use this law to find the requested value. If 
find 
Round your answer to the nearest degree.
A. ?1 = 53° B. ?1 = 51° C. ?1 = 48° D. ?1 = 50°
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.g(x) = 259x2 + 4339x3
A. Quadratic; 259x2; 259; 2 B. Cubic; x3; 4339; 3 C. Quadratic; 4339x2; 4339; 2 D. Cubic; 4339x3; 4339; 3
Solve. Remember to insert units when writing your answer.A carpenter needs to cut a board into thirds. If the board is 21 ft 6 in. long originally, how long will each cut piece be?
A. 7 ft 3 in. B. 18 ft 3 in. C. 7 ft 6 in. D. 7 ft 2 in.
Solve.How long will it take for $5600 to grow to $7400 at an interest rate of 6.9% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 403.93 yr B. 0.4 yr C. 0.40 yr D. 4.04 yr