The side view of a house (the"side elevation") is often in the shape of a pentagon. If the angle at the roof is 150 degrees and there are two other angle of 90 degrees, what is the sum of the two angles?

Find the equation of the line passing through (-7,-9) and perpendicular to 8x-9y + 2=0

Donald has x twenty-dollar bills and 1 ten-dollar bill. How much money does Donald have?

Enter the next three terms in the geometric sequence. Round to the nearest tenth value. 36, 54, 81, 121.5, ...

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin (a+b)

What is the radius of 30

Brianna jogs 6 laps around a track each morning. The track is 1/4 mile around how many yards does Brianna jog each morning?

Jordan and Roman travel the same route to work. Jordan leaves for work one morning and drives at a rate, r, of 56 mph. Roman leaves the house soon after, when Jordan has already traveled 2 mi. Roman drives at a rate of 60 mph.

Evaluate. XSS Submit

Least to greatest 3/4, 0.7, 1/2, 0.1

Simplify the polynomial (-8*) + * + (-2)