1. To collect information or data effectively, the first step is? ​

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?

The measure of angle theta is 3 pi over 2. the measure of its reference angle is pi /