You spend $11 on school supplies. You purchase pencils for $0.25 each and pens for $2 each. You purchase a total of 30 pencils and pens. How many of each did you purchase?

If a convex polyhedron has 18 edges and 12 vertices, then how many faces does it have?

How do you solve 3x+2y=a

Which is the standard form for this number? (5 x 10) + (6 x 1) + (5 x 1/100) + (7 x 1/1,000) A) 5.657 B) 56.0057 C) 56.057 D) 56.57

Which of the following is defined by a line divides two sides of a triangle proportionally, then it is parallel to the third? O A. Converse of the Triangle Proportionality Theorem O B. Triangle Midsegment Theorem O C.

According to an article on the Guardian website, a British woman in 2003 has probability 0.27 of living at least 100 years. suppose that you randomly select 200 women who were born in 2003. will exactly 54 of them live at least 100 years?

Round 18.7 to the nearest whole number

Factor completely 4x^4 - 24x^3 + 36x^2

Which values represent the dependent variable? A. {7, - 3, 8, 3} B. {-3, - 2, 1, 5} C. {1, 7, - 2, - 3} D. {-1, 2, - 5, 3}

A coin is tossed five times find the number of possible outcomes

What expression is equivalent (2 ½ x 2 ¾) ²