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The sum of two numbers is 77. One number is 23 more than the other. Find the numbers.

A person has ​$ to invest. Part of the money is to be placed in a certificate of deposit paying ​%, per year. The rest is to be placed in corporate bonds paying ​%, per year. If he wishes to obtain an overall return of ​% per​ year, how much should be pla...

A person is choosing between two cellphone plans. Data Plan A has a monthly fee of ​$ with a charge of ​$ per gigabyte​ (GB). Data Plan B has a monthly fee of ​$ with a charge of ​$ per GB. Complete parts a and b below.

Find the exact value of the slope of the line which is tangent to the curve given by the equation r = 2 + cos θ at theta equals pi over 2 . You must show your work. (10 points) Please check if this is right. I put a lot of work into this please check! x=...