Two partners are starting a wedding planning business. The total investment is $45,000. Their investments are in the ratio 4:5. How much does each investor contribute?
$20,000 and $25.000
$5,000 and $40.000
$15,000 and $30.000
$10,000 and $35.000

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?