15 - 5b = - 10b - 20

the larger of two numbers is six less than twice the smaller number. if the sum of the number is 42, find the number

Which expressions are equivalent to 3 1/4 - (-5/8)

A square based pyramid with side length 10cm has a lateral area of 80cm squared. What is the slant height of the pyramid?

A tumor originally weighed 34 g. Every day, chemotherapy treatment reduces the size of the tumor by 2.49 g.

A test consist of 10 true or false questions. To pass the test a student must answer at least eight questions correctly. If the student guesses on each question what is the probability that the student will pass the test?

Convert 5.2 into a fraction

Camila wants to save up $350 for a new phone. She already has $128.85 saved up and she plans to put away $22.25 per week until she has the full amount. What is the best estimate fpr how many weeks it will take camilla to reach her goal

If a 24 oz feeder feeds 21 rabbits a day how many rabbits could you expect a 16 oz feeder to

what is the square root of 175

A 1350 kg car travels at 12 m/s. What is it's kinetic energy