Solve the equation.
= 
A. {-30}
B. {30}
C. {6}
D. {4}
Answer: B
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Use the relative frequency method to estimate the probability. Round your answer to 2 decimal places when necessary.You count 61 heads when you toss a coin 100 times. If you don't know whether the coin is fair, what is the probability that the next toss will be heads?
A. 0.061 B. 0.5 C. 1 D. 0.61
Find the particular solution to the given differential equation that satisfies the given conditions.x dy - y dx = 3x3 dy + 3x2y dx; x = 1 when y = 1
A. y = 3x2y B. y = 3xy2 - 2x C. y = 3x2y - 2x + c D. y = 3x2y - 2x
Solve.A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 5 seconds, the gauge on the bottle indicates that it contains 12 ounces of water. After it has been filling for 12 seconds, the gauge indicates the bottle contains 26 ounces of water. Let y be the amount of water in the bottle x seconds after the faucet was turned on. Write a linear equation that models the amount of water in the bottle in terms of x.
A. y = 2x + 14
B. y = 2x + 2
C. y = -2x + 22
D. y = 
x + 
Solve the problem.Jerry caught a fish that weighed 14
pounds. Pat caught a fish that weighed 
pounds. How much more did Jerry's fish weigh than Pat's fish?
A. 7
pounds
B. 20
pounds
C. 7
pounds
D. 19
pounds