Do any one know what is number language

A regular octagon has sides measuring about 4cm. If the octagon is divided into 8 congruent triangles, each has a height of 5 cm. What is the area of the octagon?

Which set is closed under the operation multiplication? A. {1, 2, 4} B. {0.5, 1, 2} C. {0} D. {1, 2, 3, 4, 5}

Andrea has averaged the ages of 12 people in her class, and the mean is 16 years old. She removes one person from the data set and the mean becomes 15 years old. Which age was removed from the data set? a.) 15 b.) 16 c.) 27 d.) 28

17.2 Multiplied by 12.86

on friday the temperature was 82 f the temperature changed by - 2 on saturday, and then it changed by 5 on sunday, what was the temperature on sunday, explain how the temperature changed using integers

Can - 20 and 20 be expressed with a less than or equal to sign? Example: - 20 _< 20.

Train travels 60 miles in 40 minutes what is the average speed

What is 22/6 is the simplest form

Write the given equation in slope intercept form 2x+y=22

Manuel buys 7.9 pounds of strawberries. Each pound costs $3.89. Which expression gives the best estimate of the cost of the strawberries? (8) ($4) (7) ($4) (8) ($3) (7) ($3)