12. if f(x) = x² – 50, what is the value of f(-5)?

Find the value of the cosine for angle a

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. what distance from city a is the point where the truck and the car will meet?

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811