Janelle earns $10.50 an hour for the first 40 hours she works. But, for every hour she works overtime, she gets paid time and a half. If Janelle worked 55 hours last week, how much did she
earn?

Convert the cartesian equation (x 2 + y 2)2 = 4(x 2 - y 2) to a polar equation. choices: r4 = -4r2 r2 = 4cos2θ r2 = 4sin2θ

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?