Area of octagon with radius 5?

Whic expression is equivalent to 4a - 28

If a triangle has an angle measurement of 85 degrees and another angle of 75 degrees, what is the measurement of the third angle? What type of triangle is it?

Ax+3y=5 fine the missing coefficient (A) and also the completed equation

What is the apparent solution to the system of equations? y=1/2x+2 y=2x-1

Rahul simplified an expression. His work is shown below. 7 (8.5-1.5) + 8divided by2 Step 1. 7 (7) + 8 divided by 2 Step 2. 49+8 divided 2 Step 3. 57 divided by 2 Step 4. 28.5 Where did Rahul make his first mistake?

True or false: arc measure is the same length as arc length

What is something times 4 equal 40

Mac is 5 feet tall and casts a 4 foot 6 inch shadow. At the same time, a nearby tree casts a 20 foot shadow.

Jessica is reading a book. She is able to read about 5 chapters each day. Assuming that, on average, each chapter contains 13.87 pages, which is a good estimate of the number of pages Jessica can read in 4 days?

70,000,000write the number in the form standard