WILL GIVE BRAINLIEST FOR RIGHT ANSWER!! Write the system of equations for this word problem:

Alex is on the job hunt. He has narrowed it down to two options. He can sell cars for $400 a week and would earn 25% commission per sale. Or, he could sell boats for $450 a week and earn 15% commission per sale.

Write two equations for this
plz
thanks
:)

What additional information could be used to prove abc =mqr using sas? check all that apply.

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8