(01.02 mc) evaluate the following expression using the values given: find 2x − 3y − z if x = −2, y = 3, and z = −2 −11 11 −15 15

This is different from the first one can someone me

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x