A regular rectangular pyramid has a base and lateral faces that are congruent equilateral triangles. it has a lateral surface area of 72 square centimeters. what is the surface area of the regular triangular pyramid?

Which of the following describes the transformation of the graph y = x^2 in graphing y = - x^2 - 5? -reflect over the x-axis and shift down 5 -reflect over the y-axis and shift down 5 -reflect over the x-axis and shift left 5

A Web music store offers two versions of a popular song. The size of the standard version is 2.7 megabytes (MB). The size of the high-quality version is 4.6 MB. Yesterday, there were 800 downloads of the song, for a total download size of 3262 MB.

Melanie made a circular necklace. She puts beads evenly spaced around the necklace. If the 4th bead is directly across from the 11th head, how many beads are on the necklace

Are the angles with the given measures complementary, supplementary, or neither? m∠J = 63° and m∠K = 27°

A number when multiplied by 3 gives 6666 as answer The same number when multiplied by 6 gives A) 6666x2 B) 6666x3 C) 6666x6 D) 6666x18

Logan ate 1.438 pounds of grapes. His brother Ralph ate 1.44 pounds of grapes. Wich brother ate more grapes?

If x=11 units and h=7 units, then what is the area of the triangle shown above

What is when 12+21 to the 8th power

Eight times the sum of a number and six

What is the period of y=sin (3x)