Acircle has a diameter of 30 centimeters. what formula would be used to find the circumference of the circle in centimeters? round to the nearest 10th.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !