Sam wants to buy a science book and a math book. The cost of a science book is $2 more than the cost of math book. The cost of 4 math book is the same as the cost of three science books. What is the cost of each book?

The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.

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