Find the unknown length in the right triangle. Simplify the answer if possible. A triangle has an angle labeled 90 degrees. The side opposite the 90 degree angle is labeled 18 and the other two sides are labeled 7 and b. 7 18 90 b The unknown length b in the triangle is nothing.

Solve 2x+y=3 x+y=5 in substitution method

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet