A marine biologist dove 40ft below sea level to study the coral and her drone is flying 20ft above sea level. What is
the distance between the marine biologist and the drone?

If square root x = -7, then x= -49 true or false

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11