What is the explicit rule for this geometric sequence?

a1=23; an=9⋅an-1

an=23⋅9n

an=9⋅ (23) n-1

an=9⋅ (23) n

an=23⋅9n-1

Select the statements that are true based on the following given information. D = {xl x is a whole number] E = (x1 x is a perfect square < 36) F = {x 1 x is an even number between 20 and 30)

The quotient of four times a number and six is eight.

An exam consits of four true/false questions followed by three multiple choice questions each with 4 answers. How many ways can a student answer the exam if they can leave true/false questions blank?

There are 27 toys in 3 boxes. each box has the same number of toys. how many toys are in each box

Which is greater 100 inches or 3 yards

Drag each expression to show whether the product is less than 1, equal to 1, or greater than 1. 4*1/4 4*2/9 2*2/5 8*2/5 6*1/5 5*1/4

Rewrite the equation 4x + 6y = 8 in slope-intercept form.

What is 80% of $200?

Eric is getting his mountain climbing cerificate. There are 63 days that Eric climbs for 2 hours, there are 97 days that he climbs for 3 hours. How many more hours does Eric need to climb until he earns a certificate for climbing 500 hours?

Angles that are congruent have vertical lines