Pedro and carmela are cleaning their kitchen. it takes pedro 3 hours to clean the kitchen by himself, while carmela can clean the kitchen in 2 hours. which equation can be used to calculate how long it will take them to clean the kitchen if they work together?

32t=1

t3+t2=1

3t+2t=1

3t+2t=1

X-10/4 when x = –18 a 7 b –2 c –7 d 2

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _