Use the graph to identify the slope and y-intercept. Can you help me identify them?

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).