Simplify the expression.w4 ? w7 ? w5
A. w11
B. w16
C. w33
D. w12
Answer: B
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Solve the problem.The function A = Aoe-0.01155t models the amount in pounds of a particular radioactive material stored in a concrete vault, where t is the number of years since the material was put into the vault. If 700 pounds of the material are placed in the vault, how much time will need to pass for only 441 pounds to remain? Round to the nearest year.
A. 80 yr B. 40 yr C. 45 yr D. 50 yr
Determine whether the relation is a function. Give the domain and range.{(3, 12), (8, -6), (4, 7), (-2, 12), (10, -6)}
A. not a function; domain: {-6, 7, 12}; range: {-2, 3, 4, 8, 10} B. function; domain: {-2, 3, 4, 8, 10}; range: {-6, 7, 12}
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
y
Find the probability of the following card hands from a 52-card deck. In poker, aces are either high or low. A bridge hand is made up of 13 cards.In poker, four of a kind (4 cards of the same value)
A. 1.85 × 10-5 B. 2.00 × 10-5 C. 4.34 × 10-4 D. 2.40 × 10-4