In ΔRST, the measure of ∠T=90°, the measure of ∠S=21°, and ST = 7.7 feet. Find the length of TR to the nearest tenth of a foot.

Find the equation of the line that goes through the points (4, –1) and (2, –5). use slope formula, equation, to find the slope of a line that passes through the points. m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = write the equation in slope-intercept form, y = mx + b.

What is sin 7x/4 ? i need on this urgent trig

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?