What's the area of a sector of a circle that has a diameter of 10 in. if the length of the arc is 10 in.?
a. 75 sq in.
b. 100 sq in.
c. 50 sq in.
d. 25 sq in.

Pick the expression that matches this description: a polynomial of the 5th degree with a leading coefficient of 7 and a constant term of 6 (choice a) 7x^5+2x^2+6 (choice b) 7x^6−6x^4+5 (choice c) 6x^7−x^5+5 (choice d) 6x^5+x^4+7

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

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?