Lin and jen each thought of a number. lin thought of a 2-digit number. jen’s number is 7 times as big as lin’s. but, if lin writes 0 between the digits of her number, she’ll get jen’s number. what are the numbers?

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12