You add 2x and 7x to get 9x
so the answer is 9x+5y
The null hypothesis is often used as a statement <span>about the population the researcher suspects is true and is trying to find evidence for in formulating a statistical test of significance. In addition to that, it is commonly used when stating that there is no significant difference between subjects.</span>
Answer:
is 1
Step-by-step explanation:
sorry if im wrong this is my first time doing this
Answer:
Step-by-step explanation:
area = 
so it's 
= 153.938... 
circumference is 2
r = 2*
*7 = 43.98229 cm
1
Mark brainliest please
Hope this helps you