2 Points
What is the area of the triangle shown below?
O
A. 20 sq, units
O
B. 10 sq. units
O
C. 42 sq. units
O
D. 84 sq. units

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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?

Combine like terms to make a simpler expression 3z+z