If james is starting to save $150 to buy a new cell phone. In January he saved $5. In February he saved twice as much as he saved in January for a total of $15. If James continues to save twice as much each month as he saved the previous month, in which month will his totals savings be enough to buy the phone?

Need a step by step explanation please!

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Is it true or false i’m trying to pass this test so i can leave school

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.