B) A bus completed its journey of 320 km with an average speed of 40 km per hour. (i) How long did it take to complete the journey ?
(ii) What would be the speed of the car if it covered only 240 km in the same
interval of time?​

Which expression gives you the distance between the points (5,1)and(9,-6)

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?