Solve the system of equations and choose the correct answer from the list of options.

2x + y = - 4

y = 3x + 2

The polygon angle-sum Therom states the following: the sum of the measures of the angles of an n-gon is

What is the exact volume of the cone? (height is 9 cm, the radius is 15 cm) A) 90 n cm 3 B) 675 n cm 3 C) 225 n cm 3 D) 405 n cm 3 What is the approximate volume of the cone? use 3.14 for n.

Find a possible solution to the equation cos (x+2) = sin (3x) A. x=0.5 degrees B. x=1 degree C. x=22 degrees D. x=44 degrees

What is 1.48 rounded to the nearesr hundredth

Eight thirds x plus one third x equals 8 plus five thirds x

How to find the Base and height of the triangle

Lita estimates she will read 24 books during the summer. She actually reads 9 books. what is the percent error of her estimate?

We mathematical induction to prove the statement is true for all positive integers n. 8+16+24 + ... + 8n=4n (n+1)

How do we know that it's a parallel line

The Rivera family drove 267.9 miles from their home to Cape Cod, Massachusetts. They used 9.5 gallons of gas. How many miles per gallon of gas did they get on the trip?