Tobin is solving the equation 3(x - 1.25) = 11.25. His work is shown below.
3(x - 1.25) = 11.25
3x - 3.75 = 11.25
3x - 3.75 + 3.75 = 11.25 + 3.75
3x = 15
3x • 3 = 45.3
x = 135
What mistake did Tobin make?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Choose the more precise measurement. 26.4 cm or 8.39 cm

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis