A small submarine starts at -1,260 feet in relation to sea level. Then it descends 5 feet per minute for 12 minutes. What expression represents the new position of the submarine in relation to sea level?
O -5(12) + 1,260
0 -1,260 + (-5)(12)
0 -1,260 + (5)(12)
O 1,260 - (-5)(12)

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Select the correct answer from each drop-down menu. the table shows the annual sales revenue for different types of automobiles from three automobile manufacturers. sales revenue (millions of dollars) suv sedan truck marginal total b & b motors 22 15 9 46 pluto cars 25 27 10 62 panther motors 26 34 12 72 marginal total 73 76 31 180 the company with the highest percentage of sales revenue from sedans is . of the annual sales revenue from suvs, the relative frequency of pluto cars is .

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.