In which of the following expressions does the "x" term have a coefficient of -1? 2x2+x−92 x squared plus x minus 9

3x2−x−53 x squared minus x minus 5

2x2−3x+12 x squared minus 3 x plus 1

x2+2x+7

Find the value of ax 4 ; a = 2, x = 1. select one: a. 2 b. 4 c. 1 d. 8

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer