A fire ranger stands at an observation window 75 ft. above the ground. she shes a fire in the distance. she takes a reading of the angle of depression and finds it to be 23 degrees. to the nearest hundredth of a foot, how far away from the base of the tower is the fire

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry