Simplify the expression:

10x-8xy-3xy

2ab-7ab+7a2

-a^4+2a^3-4a^4+2a^2-3a^2

True or False? If a circle is circumscribed about a parallelogram, the parallelogram must be a rectangle.

12 Leon plants 3 rows of tomatoes with n plants in each row. He also plants 1 row of beans with 5 plants in the row. Which equation can be used to find t, the total number of plants Leon planted?

Gianna is preparing for the upcoming tennis season. According to her schedule, she can complete at most 10 workouts this week. It takes Gianna 45 minutes to complete her drill-based workouts and 30 minutes to complete her conditioning workouts.

It has a length of 3 ft and a height of 1.4 ft. What is the width of the sink?

If the number of users tripled every year since 2001, and there were 3 million users in 2005, how many were there in 2004?

What is the vertex of this quadratic function? h (x) = - 5 (x + 7) 2 + 11 A. (7,11) B. (7,-11) C. (-7,-11) D. (-7,11)

What is the unit rate of 14lb for $2.99

What is the value of x/4y, when x = 16 and y = 2? a. 1/32 b. 2 c. 2/2 3 d. 4

Diana has a diamond necklace shaped like a parallelogram. The area of the diamond is 3.6 cm2 and the base is 3 mm. What is the height of the necklace

If r = 300+y and b = 2*r, what is y