Below is a graph of the murphys’ annual expenses. If the murphys’ gross annual household income is $85,420, how much will they pay in federal taxes? a. $3,559. 17 b. $8,542. 00 c. $20,500. 80 d. $29,897. 0.

If point e(5, h) is on the line that contains a(0, 1) and b(−2, −1), what is the value of h? a)-1 b)0 c) 1 d) 6 !

Which statements are true for invasive species? 1. they always stabilize an ecosystem. 2. they’re always successful in adjusting to a new habitat. 3. they often compete with the native species for resources. 4. they have the ability to displace the native species. 5. they’re always pests.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers