Which of the following statements show the halving and doubling strategy to find 28x50?

Identify the slope and y-intercept of the line y=-6x+4

Five siblings have a combined age of 195

A marine biologist wants to determine the impact of warming oceans on the coral in Great Barrier Reef.

The test to detect the presence of the hepatitis B virus is 97% accurate for a person who has the disease and 99% accurate for a person who does not have the disease. In a given population, 0.55% of the people are infected.

A regulation football field is 120 yd long, including the two end zones. Each end zone is 10 yd long. What fraction of the football field is made up of the two end zones?

46.2 x 10 to the power of - 2 Can someone show me the work to this problem

There were s students at a summer camp in 2010. In 2011, there were half as many students as the previous year. In 2012, there were 54 fewer students than in 2010.

Multiply the following (4 - 2x) 2

A shopper buys a 12 - pound bag of oranges for $18.75. What is the unit price?

Harry kept a record of how far he ran each day last week Distance (in miles) Monday 4.5 Tuesday 3.9 Wednesday 4.25 Thursday 3.75 Friday 4.2 On which day did Harry run the greatest number of miles?