Consider the arithmetic sequence 27, 40, 53, 66, 79, . . what rule can be used to find the next term of the sequence? an = an–1 – 79 an = an–1 – 13 an = an–1 + 13 an = an–1 + 79

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?

Arational number that is equivalent to -20/4?

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20