On a trip, a student drove 40 miles per hour for

2 hours and then drove 30 miles per hour for

3 hours. What is the student's average rate of

speed, in miles per hour, for the whole trip?

If I have a truck full of mulch that 30 tons and is a 2:1 ratio bark to soil. How many tons is bark and how many tons is soil?

The area of Lake Ontario is 18,960square kilometers. Write the area of lake Ontario in expanded word forms

The table represents a function. What is the value of f (-1) ? f (-1) = - 3 f (-1) = - 1 f (-1) = 0 f (-1) = 6

If the chi-square test yields a p value of less than 0.05, what does this mean?

What is 0.222222 ... as a fraction

Preciso de ajudaa! Resolução também! - Considere as funções f e g tais que f (x) = x³+1 e g (x) = x-2 Determine: a) (fog) (0) b) (gof) (0) c) (fof) (1) d) (gog) (1)

Evaluate the expression using order of operations {6-2}[{2+3}+4]=?

Write statements to declare and initialize two variables: one, named element_number can hold any of the integer values 1 through 118; the other, named atomic_weight can hold the atomic weight of the given element; atomic weights are values like 3.76.

What is x if 389/x=47

Find the value of x - y if x = 1000, y = 10, and n = 4. a. - 9000 b. 900 C. 990 d. 9000