Maria is traveling for business. she starts by traveling from mexico city to singapore which is about 1.26 x 10^4 miles. she then travels from singapore to new york which is approximately 9.53 x 10^3 miles. what is the total distance that maria traveled? a) 1.079 x 10^4 miles b) 1.079 x 10^3 miles c) 1.079 x 10^7 miles d) 2.213 x 10^4 miles

Can you draw an isosceles triangle with only one 80 degree angle?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

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?