Michael and Aly were at the store. Michael purchased 4 pounds of apples and 6 pounds of bananas and paid $18. Aly bought 6 pounds
of apples and 3 pounds of bananas and paid $21. Write and solve a
system of linear equations to find the price x per pound of apples
and the price y per pound of bananas.

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?

Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias