30 points!

the solutions to the equation: 2x2 + x-1 = 2 are x=-3/2 or x=

Find an equation for the linear function which has slope -10 and x-intercept -7

Combine like terms to make a simpler expression 3z+z

Were only 64 seats. the remaining 6 students had to travel in a separate van. the equation 2b + 6 = 70 represents the given scenario. what does b represent? the number of buses the number of vans the number of students who rode on each bus the total number of students going to the football game