Use front-end estimation to estimate the sum. 13.3+2.8+5.6 a. about 20 b. about 23 c. about 22 d. about 25

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 each tile into the correct box. not all tiles will be used. find the tables with unit rates greater than the unit rate in the graph. then tenge these tables in order from least to greatest unit rate

Which expression and diagram represent “renee biked four times as far this month as last month”?