Use the relationship between the angles in the figure to answer the questings

a. x + 90 = 61
b. x + 90 + 61 = 180
c. x + 61 + 90 =90
d. x + 61 = 180

In pqr the obtuse angle is 105 and the shorter sides measure 4 and 7 units rounded to the nearest tenth what is the area of triangle pqr

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

If f(x)= 3x+6 which of the following is the inverse of f(x)