The diameter of a circle is 19 m. Find the circumference to the nearest tenth. C= what m
Answer please

If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8