Alab sample starts with 50 bacteria. the growth factor, c, is found to be 0.35. use nt=n0ect to find how long it will take for the bacteria population to reach 15,000. round your answer to the nearest tenth.

5.(04.07) two different plants grow each year at different rates, which are represented by the functions f(x) = 4* and g(x) = 5x + 2. what is the first year the f(x) height is greater than the g(x) height? year 3 year 0 year 2 year 1

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.