At a recent sing thing, it was found that together, anne and bob weigh 180 kg, carl and dee weigh 210kg, and ann and carl weigh 220kg. together, bob and dee weigh,

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?