Test. II 26-30.

r=50cm

31-35.

2cm
H= 5cm

36-40.

50cm
40cm
62cm

Hi please kindly help me.
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How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!