Which value, when placed in the box, would result in a system of equations with infinitely many solutions? y = -2x + 4
6x + 3y = |_|
-12
-4
4
12

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

What is perpendicular to y=-1/2x+11