What is the length of angle ef in the right triangle below?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Ican interpret and represent the remainder in division calculations sensibly for the context (eg 27.4 in calculating average height in cm: $27.44 if it represents an amount of money) solve the following problems. 15) the wildlife park charges $25.50 dollars per person to enter their park if the park made $15096 dollars today, how many people entered the park? 16) ms adams plus 2,230 other keen runners ran a marathon: between them they ran 94817.5km. how many km did each competitor run?

Use the balanced scale to find the number of grams in 17 kilograms.