Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.
A. rational, real
B. integers, real
C. irrational, real
D. whole, real
Answer: C
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Solve the problem.A projectile is fired from a cliff 500 feet above the water at an inclination of 45° to the horizontal, with a muzzle velocity of 230 feet per second. The height h of the projectile above the water is given by 
where x is the horizontal distance of the projectile from the base of the cliff. Find the maximum height of the projectile.
A. 826.56 ft B. 1739.84 ft C. 913.28 ft D. 413.28 ft
In order to complete an edge in a tiling job, a builder needs an isosceles trapezoid with a base that fits along the side of the regular hexagonal tiles he is using. Can he form the trapezoid in one cut? If so, how might he do this? If not, why not?
What will be an ideal response?
Evaluate the radical expressions or indicate that the root is not a real number.
A. -27 B. 3 C. -3 D. not a real number
Solve the system by the substitution method.-13x - y = 37y = x2 + 5
A. {(6, 41), (-7, 54)} B. {(6, 41), (7, 54)} C. {(-6, 41), (-7, 54)} D. {(-6, 31), (-7, 44)}