Beatriz makes a conjecture that the sum of two odd integers is always an even integer. Which choice is the best proof of her conjecture? PLEASE QUICKK

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.