Benchmark 1 - Item 205379 Question 5 of 30
The perimeter of quadrilateral JKLM is 90 centimeters. Which is the length of side KL?
Kn
2n-12
n +7
3n+ 4
CLEAR
SUBMIT
16.5 cm
15.8 cm
15 cm
13 cm

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?