Anthony deposits $2,000 twice a year into his IRA account. If this account earns 6.5% compounded semi-annually, how much will Anthony have when he retires in 35 years? How much interest will Anthony have earned over the 35 years?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?