A moneybox contains only 50c and 20c coins. If there are 74 coins altogether, totalling $22.90, how many of each type of coins we're there?

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

Guys i really need or i have to stay late up night