Johanna wrote the system of equations. 4x-3y=1 5x+4y=9 If the second equation is multiplied by 4, what should the first equation be multiplied by to eliminate the x-variable by addition?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.