Aroad sign is in the shape of an equilateral triangle with a vertical measurement of 41.2cm. how long is each side?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

What is the circumference of a circle with an area of 50.24 cm²?