How do I work out "The beam from a lighthouse reaches a distance of 8 kilometers and spreads to an angle of 35 degrees. Calculate the area covered by the beam from the lighthouse."

Liang went to the bookstore. he spent 1/3 of his, oney on a pen and 4/7 of it on books. what fraction of his money did he have left?

Jane moved from a house with 70 square feet of closet space to an apartment with 46.2 square feet of closet space. What is the percentage decrease of Jane's closet space? A. 27% B. 66% C. 34% D. 52%

If i take 2 cookies and had 2 more cookies, how many cookies do i have

5x-2y=-13 2x+y=11 Fine the solution using the substitution method.

Who is the snoozer? Davis: the snoozer was either Rawls or Charlton Rawls: neither Vongy nor I was asleep Charlton: both Rawls and Davis are lying Bobbins: only one of the Rawls or Davis is telling the truth. Vongy: Bobbins is a liar.

15 is 9 more than j. As an equation.

You buy 8 packs of markers with 20markers in each pack. You already had 10 markers. Which equation shows how to calculate the total number of markers, m, you have?

Runyon Company sells T-shirts ($5) and shorts ($6). If total sales were $1,040 and people bought 4 times as many T-shirts as shorts, what was the total number of T-shirts and shorts sold? A. 120; 60 B. 140; 40 C. 180; 60 D. 160; 40

W-4=-12-3w solve for w

552.5 is what percent of 425