Which of the following expressions best represents the dot product of two vectors? select all that apply.
axbx + ayby (the x's and the y's are little and lower)
|a||b|(cosαcosβ + sinαsinβ)
|a||b|cos(α + β)
|a||b|cos(α - β)

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Finding tbe values of the variables in each kite

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool