Question from test: no calculator allowed, how do you do this?

1.) if 3^5x+1 = 11 then x=? (yes, the 3 is raised to 5x+1.)

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

What is the explicit rule for the sequence in simplified form? −1,−4,−7,−10,−13… an=4−5n an=−4−3n an=2−3n an=−6−5n