Which phrase is represented by the expression 5x36+9

a. the product of 36 and 5 increased by 9

b. the product of 36 and 9 multipled by 5

c. the sum of 36 and 9 multiplied by 5 d the sum of 36 and 5 increased by 9

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)