In ΔRST, \text{m}\angle R = (11x+3)^{\circ}m∠R=(11x+3) ∘
, \text{m}\angle S = (x+15)^{\circ}m∠S=(x+15)
∘
, and \text{m}\angle T = (2x+8)^{\circ}m∠T=(2x+8)
∘
. Find \text{m}\angle R. m∠R.

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca