The length of each of the sides of a pentagon are 3x + 6. Which equation can be used to find p, the perimeter of the pentagon?
A. p = 15x + 30
B. p = 15x + 6
C. p = 3x - 11
D. p = 15x - 30

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!

Rhonda was organizing photos in a photo album. she took 60 photos and divided them evenly among p pages which algebraic expression represents the number of photos on each page