Find -30 + (-15) + 70.
select one:
a. 55
b. 25
c. -55
d.-25

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2