How would you work out this equation?

4x+3y=-23

-2x-3y=25

Divide 405 in to the ratio 3:12 give answer in the form ... and ...

At the sandwich shop, there are four different types of meat and three different types of cheese. If you select a sandwich without looking, what is the probability that it has your favorite type of meat on it? give answer as a fraction

Geometry classes today tend to treat axioms and postulates as synonyms; however, there were distinctions between these two ideas. What were the distinctions made by Greek mathematicians?

Why is it important to know the PMI

Find the radius of convergence, r, of the series. ∞ n2xn 8 · 16 · 24 · ⋯ · (8n) n = 1

If Angle 8 is congruent to angle 10 and Angle 1 is congruent to angle 7, which describes all the lines that must be parallel?

If one angle of a trapezoid is a right angle, the greatest number of additional angles a trapezoid might have is Select one: a. 3 b. 1 c. 2

Where a graph touches the y-axis

Which expression can be used find 40% of 130? a. 26 x 5 b. 26 x 4 c. 26 x 3 d. 26 x 2

Order √3, 2π, and 1.5 from least to greatest.