Determine the interval (s) at which f (x) is concave up given that f′′ (x) = -x2+4x+5.

Two sides of a triangle measure 11 cm and 25 cm. Which of the following could be the measure of the third side? a) 8 b) 6 c) 3 d) 15

A square pyramid has a height of 25 ft and each side of the base has a length of 15 ft. If a model of the square pyramid is scaled down by a factor of, what is the surface area of the model?

Dipsy is smarter than beetle but not as smart as Elmer. Molly is smarter than Elmer but not as smart as fussy

A lawn mowing company had to mow one-ninth of a mile of grass. To make it quicker, they split the amount evenly between 2 workers. What fraction of the mile did each person mow?

Solve the following system of equations by substitution. y=2x y=-2x+20 A. (10,-5) B. (5,10) C. (10,5) D. (-10,5)

Students make 76.5 ounces of liquid soap for a craft fair they put the soap in 4.5 ounces bottles and sell each bottle for 5.59 how much do the students earn if they sell all the battles of liquid soap explain

Which statements about the opposite of - 12 are true? Select each correct answer. The opposite of the opposite of - 12 is - 12 -12 and its opposite are located the same distance from zero on a number line.

Find the coordinates of the vertices of the figure after a dilation with the given scale factor, 1/4 with a center of dilation at the origin (0,-4) (0,6) (4,4) (4,2)

1) р * + 14 р - 38 = 0 1 че 100 - 19 - 0

Find the range for the following dа ta: 25, 82, 94, 52, 100