What is the common ratio of the following sequence?

80, 20,5

A. - 4

B. 1/4

C. 4

A student read 3/4 of a book containing 380 pages. How many pages remain to be read?

The area of a trapezium is 34 cm and the length one of its parallel side is 10.4cm and its height is 4cm. Find the length of the other parallel side.

Combine as indicated by the signs. x+2/x+4 - x-1/x+6

The price of a used car that Billy is buying is $5,000 if he has to pay 8% in taxes how much will he have to pay for the car including taxes

Which graph represents the function f (x) = [z-1]-3

bob has $830 in an account earning 5.3% simple interest. how much more interest would her account earn in 9 years with annually compounded interest?

For the quadratic equation x2 + 2x + 8 = 0, find the value of the discriminant. Then, describe the number and type of roots for the equation. Finally, find the exact solution of the equation by using the Quadratic Formula.

Shawn placed 18 weights on a scale during science class. If each weight weighed 0.1 grams, what did the scale read?

Solve 12: (-2) x 3 - (-2)

Which would prove that ΔABC ~ ΔXYZ? Select two options.