Instruction Active
Using an Equation with Two Variables to Solve a problem
Try
This isosceles triangle has two sides of equal length, a,
that are longer than the length of the base, b. The
perimeter of the triangle is 15.7 centimeters. The
equation 2e +b-15.7 can be used to find the side lengths.
If one of the longer sides is 6.3 centimeters, what is the
length of the base?
cm
b b
is Activity

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c, with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

The table above shows approximate conversions from gallons to liters. what is the value of x?

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.