Solve each of the following systems, if possible. Indicate whether the system has a unique solution, infinitely many solutions, or no solution. 3x+4y=-17
2x+3y=-13
Please help ASAP I'm having a hard time doing this problem. I can either use substitution or elimination in this problem.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered