For what value of k does the linear system below have infinite solutions? x + 3/4y = 13
3x + ky = 39
1) 0. 2) 3/4. 3). 39. 4) 9/4

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.