solve the system of two equations in two variables.
8x + 7y = 36
3x - 4y = -13
write the solution in the form (a, b), or write: no solution

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days