Evaluate sin (x+y) exactly if cos x=3:4 and cos y = - 3:5

Consider ΔWXY and ΔBCD with ∠X ≅∠C, WX ≅ BC, and WY ≅ BD. Can it be concluded that ΔWXY ≅ ΔBCD by SAS? Why or why not?

What are the parallelogram and quadrilateral rules

Solve this equation, -13m=-377

Which of the following measurements, in centimeters (cm), could be the lengths of the sides of a triangle? Select all that apply. A. 3 cm, 4 cm, 5 cm B. 6 cm, 6 cm, 13 cm C. 7 cm, 4 cm, 12 cm D. 4 cm, 10 cm, 14 cm E. 5 cm, 11 cm, 15 cm F.

Songs on iTunes could be purchased in groups of 3 for $1.99 or 20 for $10.99. Which is a better buy (find the unit price for each deal)

Zack wants to make a profit more than $300 for painting 4 identical rooms. The profit he makes is equal to the amount he is paid minus the cost of supplies. The cost of supplies 32.50 for each room.

The sum of the perimeters or two different squares is 32 centimeters, and the difference between there perimeters is 8 centimeters.

A necklace regularly sells for $18.00. the store advertises a 15% discount. what is the sale price of the necklace in dollars

Reagan surveyed a number of her classmates about what time they usually go to bed. Of the fifteen classmates she asked, three said 9 p. m. What percent of the students is this?

Do 8:14 and 20:35 form a proportion