-10grade/week
Explanation:
Given parameters:
Initial grade = 95grade
Final grade = 65grade
Time = 3weeks
Unknown parameter:
Rate of change of grade = ?
Solution:
Rate is defined as the change of a quantity with time.
Rate of change of grade = 
Rate of change of grade =
= 
Rate of change of grade = -10grade/week
The rate of change of the student's grade is -10grade/week. It implies that the grade of the student reduces by 10unit per week.
Two genes, BRCA1, located on chromosome 17q21 (5,6), and BRCA2, located on 13q12-13 (7–9), have been shown to predispose to familial breast cancer.
Answer:
They have long productive lives, cows will produce 10 or more calves calving regularly. The cows show great efficiency and often wean calves that weigh 45-50% of their body mass
Answer:
Cruciferous
Explanation:
Their consumption is linked with lower rates of cancer and is believed to be associated with their sulfur containing phytochemicals