Simplify sin (tan^ (-1) x)

A spherical chocolate candy is being manufactured that has nougat center. The entire candy has a diameter of 9cm and the nougat center has a diameter of 4cm. What is the volume of the chocolate portion of the candy

Ervin sells vintage cars. Every three months

Find the GCF. 14abc and 28 a 2 b 2 c 3

Melissa has 56 pens and 37 more pencils than pens. How many pencils did Melissa have?

on a string of red and blue lights the red light light blink every 3 seconds and thhe blue lights blink every 5 seconds how many times will they at the same time in one minute

Ryan works mowing lawns and babysitting. He earns $8.20 an hour for mowing and $7.70 an hour for babysitting. How much will he earn for 3 hours of mowing and 7hours of babysitting?

Expand the expression and combine like terms: 2 (-14+r) - (-3r-5)

The sum of andre and brandons scores on a math quiz is 180. Andre score is 2 times as much as 30 less than brandons score. Find each students quiz score

1. If I get a loan of $30,000 and I promise to pay in 10 equal instalments of $3,000 each semester, how much interest in total do I have to pay if 10% each semester over the balance.

Which of the following conditions make a pair of triangles congruent? One angle and two sides are congruent. Two angles and one side are congruent. Two corresponding sides and one angle are congruent.