The number of vertices in a pyramid is equal to the number of faces. How many vertices does a regular pyramid with 40 edges

have?

Euler's formula: V + F = E + 2

A. 20

B. 21

C. 40

D. 42

A granite monument has a volume of 25,365.4 cm3. The density of granite is 2.7 g/cm3. Use this information to calculate the mass of the monument to the nearest tenth.

Identify a and b in the binomial expression (2x3 + 3y2) 7.

Joaquin bought a dvd for $21. He gave the cashier$40. How many different combos of $1 $5 $10 can the cashier give him for change

Marissa rode her bike to the park and came back home she lives 2 3/10 from the park how many miles did Marissa ride her bike in all

A science dass has a total of 40 students. The number of females is 16 less than the number of males. How many males and how many females are in the class?

If the ice cube is left out for 2 hours, but put back into the freezer will it still have its same shape/size?

Question 6. Which expression is equivalent to this expression? x (2x + 3) A 2x^2 + 3 B 2x^2 - 3x C 3x + 3 D 2x^2 + 3x

5.73 - (-3.56) write in simplest form

What's the solution of the system? 7x+5y=19 -7x-2y=-16

Nina and her friends are going to the downtown rib festival. The festival organizers expect 10,000 people to attend the four-day festival. At the end of the festival the organizers say that they have exceed their expected attendance by 2000 people.