a) Given that tan(x + 25 degrees) = 5.145 , where 0<= X<= 90°, find , correct to one decimal place the value of x. b ) P, Q, R are three points on the horizontal plane . Q is on a bearing of 065 ° from P and R is on a bearing of 335º from P. If /PQ/=12m and /RQ/=20m , find /RP/ .

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible