Ahmed is taking orders for lunch. a slice of pizza costs $2.9 and a chicken sandwich costs $3.9. he collects $25.3for the group of 7 people. assuming each person orders only one item, how many people ordered a chicken sandwich?

Name the most appropriate metric unit for each measurement

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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?