Help please due tonight Solve the system of equations using elimination: 2x + 3y = -1 and -2x + 4y = 8

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

What is the frequency of the sinusoidal graph?

If the velocity of a car is 45km/h west, how far can it travel in 0.5 hours?