Find the circumference of the circle. Use 3.14 for pi. Use the inches squared for the answer. (circle is 9 inches)

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?