How does miss sullivan get helen to understand the word water?
a. by repeatedly pouring water over helen's hands and spelling out the word
b. by threatening to break helen's new doll until she spelled the word correctly
c. by letting her feel the shape of a mug, which naturally holds water
d. by letting helen play in a puddle of water until she understood the connection?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2