Peyton is a sprinter who can run the 40-yard dash in 4.5 seconds. He converts his speed into miles per hour, as shown below. 40 yd/4.5 sec · 3 ft/1 yd · 5280 ft/1 mi · 60 sec/1 min · 60 min/1 hr
Which ratio is incorrectly written to convert his speed?

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.