Greatest common factor of 81 and 135

What is the value of the expression below when x=5?

Taxi A charges $0.50 per mile and an initial fee of $3. Taxi B charges $0.75 per mile and an initial fee of $2. Which inequality represents the situation where the cost of Taxi B will be greater than Taxi A, where m is miles?

Are those angles that are in the same position on the two lines in relation to the transversal

Simplify 3 (4x+7) - 4 (12x-15)

Solve the system of equations 6x+7y = 5 2x-3y = 7

Express your answer in decimal form (3/5-1/2) / 1/2 + 1.6 x (0.3 + 0.42) = What

Alma and Blanca are playing a game where they roll a pair of fair six-sided dice and try to predict the outcomes. Blanca thinks that the probability of rolling a one and a five is greater than the probability of rolling a one or a five.

Michael's little brother plays with the building blocks what are in the shape of a cube in a cube has an edge length of 15 mm what is the surface area of this Cube 15 mm2 90 mm2 1350 mm2 3375 mm2

How many rectangular faces does a pentagonal pyramid have?

The two leading digits of each 6-digit number add up to 23. Which digit could be in the ones place if the 4-digit number is divisible by 6.