Suppose that a group of 10 people join a weight loss program for 3 months. each person's weight is recorded at the beginning and at the end of the 3-month program. to test whether the weight loss program is effective, the data should be treated as: a independent samples using the t-distribution. b independent samples using the normal distribution. c independent proportions. d paired samples using the t-distribution.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.