A certain refurbished phone can be had for $250. The same phone, new, costs $450. What percent discount is the refurbished phone?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?