Given ΔABC, m∠A= (x+ 14)°, m∠B= (4x+ 6)°, and m∠C= (15x+ 40)°. Find m∠A.
130
30
20
6

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss