Asubmarine dives 300 feet every 2 minutes, and 6750 feet every 45 minutes. let x represent the time of the dive. let y represent the depth of the submarine. write an equation for the proportional relationship using the rate in feet per minute

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

What value of x is in the solution set of –5x – 15 > 10 + 20x?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.