Simplify this expression. (2+3)65-7)
O √5 +/-
O V10 +V15 - 14 - 21
O 2/5-2/7
O 25+3V5-277-377

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

Given: δabc, m∠1=m∠2, d∈ ac bd = dc m∠bdc = 100º find: m∠a m∠b, m∠c