6x+9x^3 factorise fully

Can a trapezoid have 2 congruent siddes?3 congruent sides

Kerrie cover a table with 8 rows of square tiles there are 7 tiles in each row what is the area the Kerrie covers in square units?

A cab company calculates cab fares using the expression 1.50d + 3, where d is the distance traveled in miles. If a passenger has to pay a $21 fare for a ride, which number from the set {9, 12, 15, 18} is the value of d? 9

The formula for the volume of a rectangular prism is V = lwh. The height is 12 cm. The prism has a volume of 10,800 cubic cm. The prism's length is modeled by 3x cm and its width by (2x+1) cm. A. What is the value of X? B.

The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score?

2. The usual toll charge over the bridge is $1.50. If you purchase a special sticker for $10.50, the charge is only $0.80. At least how many trips over the bridge are needed before the sticker would cost less than the toll charge?

Numbers like 10 100 thousand and so on are called what

Jack deposited a check into his account for $429.14. Then, he withdrew $429.14 in cash in the same transaction. What is the net amount of Jack's transaction?

The right rectangular prism is packed with unit cubes of the appropriate unit fraction edge lengths. Find the volume of the right rectangular prism in centimeters. (Figure not to scale)

In a group of 45 children there are four times as boys as girls. how many girls are there?