y = -1/2x + 5 should be your equation because it is 5 ft above sea level and its eroding, or going down, 1 ft per 20 years. So every year, the sand dune erodes 1/20 ft more.
Hope this helps!
y = 4x - 3 would be it !!!!
Answer:
4
Step-by-step explanation:
30% converted to a decimal is 0.30
310 x 0.3 = 93 students play an instrument
Answer:
Step-by-step explanation:
(15x8x2)+(15x6x2)+(6x8x2)=516m
