The average distance from the sun to venus is 67,237,910 miles. the average distance from the sun to earth is 92,955,807. which statment is true?
a. the value of 2 in venus' distance is 10 times the value of 2 in earth's distance.
b. the value of 2 in earth; s distance is 1/10 the value of 2 in venus' distance.
c. the value of 2 in venus' distance is 1/10 the value of earth's distance.
d. the value of 2 in the two distance is equal.

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

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?

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?