Answer:
Step-by-step explanation:
<span>The standard form is ax2 + bx + c = 0.) </span>
42 ÷ The number of friends in the group ( not mentioned )
Answer:
For A I'd say about 100° and for B about 150° (This is just my estimation)
Step-by-step explanation:
A is almost a right angle but a little more than 90°.
B is almost a straight/flat angle but it's less than 180°.
Answer:
(a) The survival rate for drug A is 87,75%.
(b) The survival rate for drug B is 81,76%.
Step-by-step explanation:
To get the survival rate of each drug you have to divide the number of women alive between the total number of women that use the drug.
For drug A= women alive that use drug A/ total number of women that use the drug A= 473/539
For drug A=0,8775= 87,75%
For drug B= women alive that use drug B/ total number of women that use the drug B
For drug B== 426/521= 0,8176 = 81,76%
