When a car wheel turns once, the car travels120cm, correct to the nearedst centimeter . Calculate the lower and upper bounds for the distance travelled by the car when the whell turns 20 times

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?