Form the union for the following sets.

R = {10, 15, 20}

S = {20, 25}

R ∪ S =

Solve for all values of x by factoring x^2-2x-4=-2x+5

A pattern has 6 blue triangles to every 42 yellow triangles. Whta is the ratio to yellow triangles to blie triangles?

If two angles form a liner pair of angles the sum of their measures is?

Explain which method you used for solving the system of equations in which x represents the number of bottles of water sold and y represents the number of sandwiches sold. x + y = 390 and 2x + 4y = 1260

GCF and sum of 28 + 35

While his bank account was - $38, Gavin made 6 withdrawals of $5.

Kobe wants to purchase 8 marbles from the store. Each marble costs $.29, he has $2.00 in his pocket. Does kobe have enough money to buy ALL 8 marbles?

Clara invests $6,000 in an account that pays 4.25% interest per year. After how many years will her investment be worth $10,000?

A + (-6) where a = 4 and b = 2.

Find the center and radius of each. 1 - x^2+y^2=49 2 - x^2+y^2=324 3 - x^2 + (y+2) ^2=121 4 - (x+10) ^2 + (y+9) ^2=8