Please help A jewelry maker produces 3 necklaces on a day of work. Each subsequent day, they make twice
as many as the day before. Which equation models the number of days that pass until they have
made 48 necklaces in a given day?
A. 2x = 48
B. 3(2)* = 48
C. 6^x= 48
D. 3*= 48
E. 2*= 48

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)