In an isosceles triangle, the longest side measures c units. the other sides of the triangle measure a units. which equation can be used to determine if the triangle is a right triangle? \ a. a^2-c^2 b. 2a-c^2 c. a^4-c^2 d.2a-c

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18