A builder needs to cover 10 square yards of floor with tile. Red tile costs $60 per square yard, and white tile costs $40 per square yard. If the builder spends exactly $520 on tile, how much of the floor will be covered with red tile?

May all the sweet magic of christmas conspire to fill every desire..❤️ merry christmas! ❤️_❤️

Subsidized stafford loans: a. accrue interest while the student is enrolled full-time in school. b. are paid by the government. c. are paid by your parents. d. accrue interest 10 years after graduation.

Nathan is an ecologist. he’s studying the effect of secondary consumers on primary consumers. his current research focuses on a population of blue jays and crows. they eat caterpillars and mice. if the number of blue jays increases, what are the likely effects on other populations? 1the number of crows will increase. 2the number of mice will decrease. 3the number of mice will remain the same. 4the number of caterpillars will decrease.