The product of 4 and the difference between 8 and 3 wrote as an expression

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

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