Whats 100+100+100+100+100/2+234/23*274612 +1836-279658.61-2516250-255-12+11+1 .1-.09869565

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000