An angle bisector AC divides a trapezoid ABCD into two similar triangles △ABC and △ACD. Find the perimeter of this trapezoid if the leg AB=9 cm and the leg CD=12 cm.

Area of of a circle with a radius of 4cm and pie = 3

In a bakery shop, the ratio of cakes to cookies baked in a day is 3:5. Which of the following best describes the number of cakes to the number of cookies baked in a day at the shop? For every 8 cakes, there are 5 cookies.

How to pronounce 43,080,700

Which description best describes the graph? Linear increasing Linear decreasing Nonlinear increasing Nonlinear decreasing

Solve each equation. Check your solution. 7a+10=2a

Evaluate the expression for x = 4 1/3 9x + 4 A) 39 B) 40 C) 43 D) 52

Tom rented a truck for one day. There was a base fee of $16.99, and there was an additional charge of 90 cents for each mile driven. Tom had to pay $190.69 when he returned the truck. For how many miles did he drive the truck?

What are the advantages of using an algebraic expression to represent a pattern rule, compared with describing the pattern in words?

What is they ratio of students in 6th grade if there are 20 6th graders and 24 students in 5th grade

Travis runs an average of 25 miles per week give or take six miles. let m be the number of miles travis runs each week