400.00 in scientific notation

A semicircle has a diameter of 18 centimeters. what is its area? (use 3.14 for pi) a 1017.36 cm 2b 56.52 cm 2c 127.17cm 2d 113.04 cm 2

Sara savings account balance changed by $34 one week and by - $67 the next week. Which amount represents the greatest change?

4,6, 12, 5, 8 mean, median, mode

Convert 2/7 into a percent

John's goal is to have more than - 7-7 - 7 minus, 7 dollars in his bank account by the end of the month. The variable dd d d is the number of dollars in John's bank account at the end of the month.

A triangular Saul has a perimeter of 25m. Side A IS 2m shorter than twice side b, and side c is 3m longer than side B. Find the length of each side

What is the solution to 32=3.2c

Identify the coefficients and the constants from the following expression. 3+4x-y+5x-2

Which of the following equations has the same solution as m - (-62) = 45? 1.) 25 - x = 8 2.) 120 + x = 13 3.) 120 - x = 13 4.) x + 25 = 8

The sum of the measures of the interior angles of a polygon is 2880°. How many sides does the polygon have?