It costs the school band s s dollars per sandwich that they make. the band sells each sandwich for 2 0 % 20% more than it costs to make so they earn a profit. the expression 7 3 ( s + 0 . 2 s ) 73(s+0.2s) describes how much money the school band received selling sandwiches at their last fundraiser.

Lindsay is creating a bridge out of dried pasta and glue. in her plans, she sketches the graph to determine the lengths of the noodles, in centimeters, needed for the arch to increase the length of the bridge in 1 centimeter increments.which function did lindsay use to create her design? f(x) = (x – 5)2 + 8 f(x) = –(x + 5)2 + 8 f(x) = 0.5(x + 5)2 + 8 f(x) = –0.5(x – 5)2 + 8

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?