Angle a is an acute angle in a right triangle

given that sin a= 7/25 what is the ratio for cos a

What is an equation of the line that is perpendicular to y=-x+3 and passes through the point (4, 12)? enter your equation in the box. basic

Emily works as a painter. for each job, it takesher 30 minutes to prepare an interior wall ofa house before she paints and 2 minutes persquare yard to paint that will. the graph belowshows the total time it would take her to do a job,based on the total area of the wallhow long does it take her to do a job when she paints a wall with an area of 15 square yards?

Pl approximate the value of 13−−√ to the nearest tenths place. plot the approximation on the number line.