(-2y + 5 ) ( y+3)
= -2y^2 -6y +5y +15
= -2y^2 - y +15
the answer is B
Answer:
One sample t-test
Explanation:
The one sample t-test , also called single sample t test is a type of t test that measures the difference between a population mean and a hypothesized value,in this case the sample mean of widowed spouses that leave the house. The sample mean/hypothesized value is called the test value while the population mean is called the test variable. The one sample t test can only compare one sample mean to another given mean and not the mean of two samples or more.
Answer: Olivia 275.4 and Melinda 360
Further explanation:
Olivia
1,530 x .06 = 91.8
91.8 x 3 = 275.4
Melinda
1,500 x .08 = 120
120 x 3 = 360
plz mark brainleist
