If the first term of a trinomial has no coefficients, the middle term takes the sign of: Select one: a. the second term of the first factor b. the second term of the last factor c. the second term of either factor with the smaller value d. the second term of either factor with the larger value e. The sign of the middle term cannot be determined.

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?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.