I am having trouble solving for Y. I solved for X in the second equation, but I cannot seem to figure it out by substituting for the other equation.

3x+5y=25, x-2y=-10

How many different triangles can be constrcted with angle measurments 134 10 and 36

250% increase of 28,000?

The area of the region under the curve of the function f (x) = 5x + 7 on the interval [1, b] is 88 square units, where b > 1. What is the value of b?

How far apart are the foci of an ellipse with a major axis of 20 feet and a minor axis of 14 feet?

You can upgrade lighting at your factory to LED bulbs that cost $6.95 each and last an average of 5 years. It costs S3 in labor to change a bulb. Over a 10-year period.

Determine whether the relation R on the set of all Web pages is reflexive, symmetric, antisymmetric, and/or transitive, where (a, b) ∈ R if and only if a) everyone who has visited Web page a has also visited Web page b.

State the domain of the relation R{ (-3,3), (1,1), (0,2), (1,-4), (5,-1) } and then State the range of the relation R={ (-3,3), (1,1), (0,2), (1,-4), (5,-1) }

The equation cos (35o) = a/25 can be used to find the length of. What is the length of bc? Round to the nearest tenth

Difference of numbers. The larger of two integers is 8 less than twice the smaller. When the smaller number is subtracted from the larger, the difference is 17. Find the two numbers.

V=1/3lwh solve for l