The first term of an arithmetic sequence is 4 and the fifth term is 16. what is the nth term of the sequence?
a. 4n
b. 3n 1
c. 5n ��� 1
d. 4n 1 select the best answer from the choices provided a b c d

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Write the equation in logarithmic form e^x=403.429

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.