Find the Least Common Multiple of these two monomials:

9a^2bc^3 and 30ab^2c^3

9a^2b^2c^3

3ab^3

90ab^3

90a^2b^2c^3

Which of the following iſ the best statement of the use of the addition rule of probability? (a) the probability that two or more independent events will both occur, (b) the probability that two or more independent events will both occur in the

Two hundred tickets for the school play were sold. Tickets cost $2 for students and $3 for adults. The total amount collected was $490. How many students tickets were sold

Dr Adams measures the daily height of a Sunny Yellow sunflower, beginning when the sunfliwer is 60 days old. At 60 days, the height is 205 centimeters. After the first 60 days Dr. Adams finds that the growth rate is 2 centimeters per day.

The surface area of a cube is 486 cm what is the value if the cube

The same number of 7th and 8th graders attend Morgan's school. A student is randomly chosen to raise the flag each day. About how many times is it expected that a 7th grader will raise the flag during the next 30 days of school?

Write an expression to match the words three times the sum of 8 + 4

The graph for the systems of linear equations is, y=1/2x + 2 and y = x - 1 What is the solution?

A train traveled 399 miles in 7 hours. Find the train's speed.

Consider a machine that exchange quarters for dollar bills. Inserting one dollar bill returns four quarters and you may insert up to five one dollar bills at a time. Is 7 a possible input for the relation this change machine represents?

The table below shows the age of some participants in a quiz competition, and the number of questions they could answer correctly: Age (years) (x) 15 21 17 22 16 19 18 Number of questions they could answer (y) 17 17 17 17 17 17 17 What is the