Guitar Lydia wants to purchase guitar lessons she sees a sign that gives the prices for seven guitar lessons and 11 guitar lessons write a linear equation to find the total cost C for D lessons

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

idk

step-by-step explanation: i just don't

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed