The trapezoid in the figure has equal nonparallel sides. The upper base is 6, the lower base is 16, and the diagonal is 12. What is the altitude of the trapezoid? A. 8.4 B. 5.7 C. 7.9 D. 4.8

A rectangle has an area of 45m² and a width of 3m. In meters, what is the length of the rectangle?

Standard form of 4+5/10+7/100+9/1000

Melanie is making a piece of jewelry that is in the shape of a right triangle. The two shorter sides of the piece of jewelry are 9 mm and 12 mm. Find the perimeter of the piece of jewelry

Create your own equation chain using these numbers for the variables: a = 10, b = 6, c = 18, and d = 3.

Marcus works as a salesman at a car dealership. He is paid a base salary of $1,465.88 each month, and he receives a commission of $111.09 for each vehicle he sells. If last month Marcus earned $5,687.30, how many cars did he sell last month?

Find the value of x 7x-8=8x

What is the greatest common factor of 42a5b3, 35a3b4, and 42ab4? 7ab3 6a4b 42a5b4 77a8b7

Ralph is leasing a $32,000 car for 36 months the term of his lease include a 8.5% interest rate and a residual value of 72% determine Ralph's approximate monthly lease payment A.$145.00 B.$230.40 C.$248.89 D.$443.73

Express in scientific notation 472.3 in decimal form

Find the circumference and the area of a circle with diameter 7 cm