Asmall toy car costs $3 . a large toy car costs 5 times as much as the small one . aaron wants to buy one of each . which equation can he use to find the cost (a) of the two cars ?
(a) 5x a = $3 +. $3
(b) 5x ($3 + $3 ) = a
(c) $3 +(5 x $3 ) =a
(d) (5 x $3 ) \ 3 = a
(/) division

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a. what is the independent and dependent variables? b. find the amplitude and the period of the function. c. create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b