How many triangles have at least two acute angles

Haruka hiked several kilometers in the morning in the morning. She only hiked 6 kilometers in the afternoon, which was 25% less she had hiked in the morning. How many kilometers did haruka hike in all?

Last night, 4 friends went out to dinner at a restaurant. They split the bill evenly. Each friend paid $12.75 for his or her meal and each left the same amount for a tip, t. The total dinner bill including the tip was $61.

Find the kilograms in 4000g

Cody filled of a bag with litter that he was picking up. michelle filled of a bag with litter. how much more litter did cody pick up than michelle?

If 3x+14=80, then 3x = 66. ?

anna and mackenzie are 162 miles apart, traveling towards each other. if mackenzie is traveling at 18 mph and Anna at 9mph how long u til they meet?

What's 9.98 in word form

5. Higher Order Thinking Maria has two $20 bills, three $5 bills, and four $1 bills. What other bill or bills does she need to buy a present that costs $69?

For a triangle with length of its sides of 120, 22 and 122, determine if it is a right triangle.

Laura took 12 hours to read a 360 page book. At this rate, how long will it take her to read a 400 page book?