Answer:
one solution
Step-by-step explanation:
Answer:
1/2(bh)
A=20
Step-by-step explanation:
Rational
Zeros in a quadratic equations are equal distances from the axis of symmetry. If one root is rational, the other must belong to the same number set. Therefore, the answer is rational.
In normal distribution, 68% of the values are within +_ 1 SD. That leaves 32% outside that range. Thus, 32 people with greater than 13, 100 people greater than 14 (200*0.68/2+32)